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CybersecurityUpdated August 2026

Best Cybersecurity Companies in the US in 2026

Key takeaways

  • Deepwatch, Red Canary and Expel lead our ranking of US cybersecurity providers.

  • Deepwatch names fourteen customers and publishes savings figures they can be held to, Red Canary and Expel are both Leaders in Forrester's Q1 2025 MDR Wave, and Bishop Fox shows named offensive work at Google, Amazon and Coinbase.

We ranked US headquartered providers held in our cybersecurity directory against six weighted criteria: independent recognition at 25 percent, client evidence at 20, specialisation and fit at 20, documented outcomes at 15, tenure at 10 and commercial transparency at 10. Client names are frequently under NDA in this market, so an anonymised case study counts as evidence and only an absence of evidence is marked down. Every accreditation was verified on the accrediting body's own page or the firm's own announcement, never on another ranking, and a price counts only where the firm publishes it itself. We correct factual errors and add accreditations once verified, but we do not move a placement on request. Read the full method. No entry on this list is a paid placement.

A US-headquartered provider is more often a procurement requirement than a preference, and meeting it narrows the field without settling anything. Every provider here will tell you they do cybersecurity. The word covers four services that are not substitutes for one another, sold on annual contracts, mostly without a published price, by firms whose credentials run from independently audited to simply purchased.

This page ranks sixteen US providers on what can be checked from outside: analyst placements, accreditation verified on the accrediting body's own register, outcome figures a customer could confirm, and what each firm states about cost. If you are still deciding which of the four you need, our guide to choosing a cybersecurity company covers that first.

Every provider ranked here is headquartered in the United States. This is a separately scored list rather than a filtered view of our wider one. Where a firm appears on both, its assessment is written for this page and against this field. For providers across North America, see the best cybersecurity companies.

Two conditions that apply to nearly all of them

  • Most publish no price at all. Nine of the sixteen state no figure at any level. Four publish one on their own site and four declare one on a third party profile. That is the market, not a mark against any single firm.
  • Anonymised case studies are normal here. Naming a client is often prohibited by contract, so a study headed "a global manufacturer" is not evasion. What matters is whether evidence exists at all, and whether the outcomes carry numbers.

What these sixteen publish, and where

  • A full rate card on their own site: Huntress, at $8.99 per endpoint per month for managed EDR, $4.80 per identity and $4.00 per log source, on a 50 unit minimum and a 12 month term.
  • List pricing by tier on their own site: Synack, whose AI led entry tier is around $4,181 for one low complexity application, with human team coverage starting near $27,120. Cobalt publishes $3,500 for an autonomous pentest, flagged on the page as a limited time promotion.
  • A commercial commitment rather than a price: Critical Start publishes its SLA credit schedule, at 10 percent per missed alert response, 10 percent monthly on a missed mean time to respond and 50 percent if availability falls under 98 percent.
  • A rate on a third party profile: Praetorian reports $200 to $300 an hour with a $10,000 minimum on Clutch, Proficio $150 to $199 with a $10,000 minimum, UnderDefense $50 to $99 with a $5,000 minimum across 66 reviews.
  • Outcome figures a customer could confirm: Deepwatch ($77,000 a year at Informatica, a 39 percent quantified risk reduction at Xactly), NetSPI ($700,000 a year at Quantum Health) and Arctic Wolf.
  • Independent validation: Red Canary and Expel are Leaders in Forrester's Q1 2025 MDR Wave, Arctic Wolf is Gartner Peer Insights' top rated MDR provider, Bishop Fox and TrustedSec hold CREST, Coalfire is an accredited FedRAMP 3PAO and CMMC C3PAO, and Synack is FedRAMP Moderate authorised.

How we ranked them

  • Independent recognition · 25 · analyst placements and accreditation, checked on the accrediting body's own page
  • Client evidence · 20 · case studies, named or not, and whether a reference can be reached
  • Specialisation and fit · 20 · which of the three jobs the firm actually does
  • Documented outcomes · 15 · numbers a customer could confirm, not adjectives
  • Tenure · 10 · years under the current name and ownership
  • Commercial transparency · 10 · what it costs, and where that is stated

The full framework sits on our methodology page.

The 16 best US cybersecurity companies, ranked

  1. #01

    Deepwatch

    Palo Alto, California, USA

    Deepwatch logo
    Team size
    201–500
    Pricing model
    Subscription
    Notable clients
    AARP, Benjamin Moore, Cinemark, Fulton Bank, Informatica, Genuine Parts Company, QuidelOrtho, Cotiviti, Xactly, WaFd Bank
    Best for
    Enterprises and large mid-market organisations wanting MDR plus vulnerability and exposure management from one provider.

    About Deepwatch

    The best evidenced record in this batch. Where most MDR providers name no customers at all, Deepwatch names more than a dozen, and they are substantial and checkable: AARP, Cinemark, Genuine Parts Company, Fulton Bank, Informatica. That alone justifies a strong placement on a managed SOC list, because a reader can verify the claim.

    Palo Alto headquarters, so it qualifies for US filtered lists. Service range extends past detection into vulnerability management, continuous threat exposure management, dark web monitoring and managed firewall, which suits a buyer consolidating several contracts rather than one buying monitoring alone.

    Both a service and a platform, sold as AI native MDR on the Guardian platform, so the reader is buying a service that comes with the vendor's technology attached. Founding year, team size and pricing are not stated. Given the client roster, the missing pricing is the only real gap for the SMB oriented lists, where this is likely too far upmarket anyway.

    Assumes you already run a SIEM and endpoint tooling, with a heavy Splunk orientation. Worth pricing that starting point if you are not there yet.

    Featured work

    • Informatica — vulnerability management across 100+ teams

      Informatica had built its own data pipelines to normalise vulnerability findings from several tools, and those pipelines broke whenever a tool changed. Deepwatch replaced them with the Guardian MDR Platform, adding layer-aware attribution for containerised workloads so a finding could be traced to the team that owns it. The case study reports $77K in annual operating savings from retiring the internal pipelines and reporting that engineering, leadership and auditors work from the same figures. It shows Deepwatch handling vulnerability data at enterprise scale rather than only alert triage.

      • Vulnerability Management
      • MDR
      • Enterprise Software
    • City National Bank of Florida — managed SOC on the bank's own Splunk

      A regulated bank without the internal headcount to run enterprise detection brought in Deepwatch for 24/7/365 MDR plus firewall management, built on the Splunk deployment the bank already owned. The bank reports audit readiness dropping from days to minutes and close to an 80% reduction in cyber insurance premiums. The relevant capability for a buyer is that Deepwatch operated an existing SIEM investment under regulatory scrutiny instead of asking for a platform migration.

      • MDR
      • Splunk
      • Financial Services
    • SBA Communications — consolidating a fragmented SOC across global infrastructure

      A wireless infrastructure operator with a scattered SOC, high false-positive volume and poor hybrid-cloud visibility moved detection onto the Guardian platform with MITRE ATT&CK mapping, bidirectional ticketing and ongoing detection tuning. The case study reports no incidents requiring formal declaration over two years and a Security Index score of 9.64 against Deepwatch's own benchmark. It demonstrates a multi-year engagement with continuous tuning rather than a one-time deployment.

      • MDR
      • Hybrid Cloud
      • Telecom
  2. #02

    Red Canary

    Denver, USA

    Red Canary logo
    Year established
    2013
    Team size
    400+
    Pricing model
    Subscription
    Notable clients
    DuPont, Ansys, Schumacher Homes
    Best for
    Mid-market and enterprise security teams that want 24/7 detection triage handled for them and are willing to keep their existing tooling.

    About Red Canary

    One of the better known names in managed detection and response, positioned explicitly as human led with AI assistance rather than automation first, which is the live argument in this category. Stated sector coverage is broad and enterprise weighted: financial services, healthcare, technology, manufacturing, education and government.

    Worth being precise about what is being bought. The site describes both a managed service with 24/7 expert support and a platform that integrates with an existing stack, so this is a hybrid rather than a pure service engagement. For a buyer comparing managed SOC options that distinction matters and should be stated plainly on any list it appears in.

    Named customers are limited to three on the pages read, DuPont, Ansys and Schumacher Homes. No headquarters, team size, founding year or pricing is stated, so `country` is blank and needs confirming before this record can serve a location filtered list. Copyright suggests operation since 2014.

    Now a Zscaler company, so if you are buying for neutral coverage across a mixed vendor stack, raise that on the first call.

    Featured work

    • Fortune 500 manufacturer — ransomware caught during an acquisition spree

      A packaging manufacturer with 10,000+ employees and 300 locations was growing by acquisition and drowning in worm-generated alerts. A Red Canary threat hunter flagged irregular activity at 1am, identified credential dumping and encrypted files on a subsidiary network, and the customer added SentinelOne for wider visibility. It demonstrates out-of-hours human hunting on top of tooling, not just alert forwarding.

      • MDR
      • Ransomware
      • Threat hunting
    • Kaseya / REvil supply chain attack response

      During the July 2021 Kaseya VSA compromise, Red Canary detected the activity in two customer environments — Unitus Community Credit Union and a dental insurance provider — hours before the attack was public, and both reported zero business disruption. Unitus was exposed indirectly through a phone vendor, so the case shows detection based on behaviour rather than on knowing the vulnerable product in advance.

      • MDR
      • Supply chain
      • Financial Services
    • Retail chain — Active Remediation as hands-on-keyboard response

      A retailer with no in-house SOC and an MSP that could not perform response used Red Canary MDR plus its Active Remediation add-on, going from detection to containment and remediation within an hour. It shows the offering extends past notification into acting inside the customer's environment, which matters for buyers with no security staff to act on an alert.

      • MDR
      • Active Remediation
      • Retail
  3. #03

    Expel

    Herndon, USA

    Expel logo
    Year established
    2016
    Team size
    201–500
    Pricing model
    Subscription
    Notable clients
    Visa, Affirm, Qlik, Estes Express Lines, The Economist Group, Markel, Dayton Children's Hospital, The Meet Group, Make-A-Wish Foundation, FIA Tech, Scale Venture Partners
    Best for
    Organisations that want detection and response run as an outsourced service and prefer a service relationship to a tooling purchase.

    About Expel

    Positioned squarely as a managed detection and response service provider, and one of the names most often cited in this category. Of the MDR firms reviewed so far it presents itself the most clearly as a service business rather than a software vendor with a service wrapper, which makes it a cleaner fit for a managed SOC or MXDR list than the platform led alternatives.

    The record is thin and honestly so. The public pages read for this entry state no headquarters, team size, founding year, customer names, sector focus or pricing, and the service description does not go beyond the MDR label. Everything beyond the positioning is therefore unverified.

    Before this appears in a ranked list it needs a proper pass over the service pages to establish what tiers exist, what is included, whether incident response is bundled or extra, and where the company is based. As it stands the record supports inclusion but not a specific placement.

    No agent to deploy, which means the model assumes you already own the tooling for Expel to watch. Price is quoted per seat.

    Featured work

    • Visa — MDR coverage across acquired entities

      Visa runs its own security function of roughly 1,300 people and 120+ tools, and brought Expel in specifically to cover companies it acquires during the 18-month integration window. The work demonstrates Expel can be layered on top of an already mature in-house SOC rather than replacing one, and that it can stand up monitoring quickly in unfamiliar, inconsistently instrumented environments.

      • MDR
      • M&A security
      • Fintech
    • Estes Express Lines — 24×7 monitoring across 60,000 connected devices

      A freight carrier with 24,000 employees and tens of thousands of IoT-enabled tractors and tracking devices consolidated its scattered security functions after a 2023 incident. It shows Expel working at operational-technology scale — GPS, cameras, digital twin systems — rather than only across office IT, and pulling existing tools into one monitored set instead of asking for a rip-and-replace.

      • MDR
      • IoT
      • Logistics
    • The Meet Group — cloud detection for a small security team

      A livestreaming and social app operator with a large development organisation and a small security operations team used Expel to cut 10–15 hours a week of unnecessary alert investigation. The relevant capability is cloud-native detection written by the provider itself; the customer states Expel was the only vendor it evaluated that wrote its own meaningful cloud detections.

      • MDR
      • Cloud
      • SaaS
  4. #04

    Bishop Fox

    Tempe, Arizona, USA

    Bishop Fox logo
    Year established
    2005
    Team size
    201–500
    Notable clients
    Google, Amazon, Zoom, Coinbase, Equifax, John Deere, Sonos, UKG, Illumio, Apollo.io, Republic Services
    Best for
    Large enterprises wanting offensive testing from a firm that can show comparable work at Fortune 100 scale.

    About Bishop Fox

    The best evidenced record in the entire cybersecurity set. Where most firms in this category offer either aggregate claims or nothing, Bishop Fox does both: named customers including Google, Amazon, Zoom, Coinbase and John Deere, plus a quantified reach covering 26 of the Fortune 100, eight of the top ten global technology companies and ten of the top 20 global retailers. A reader can check that.

    Tempe, Arizona headquarters, so it serves US filtered lists. Service range spans one-off testing through to continuous threat exposure management, and it includes two things worth flagging for our readers specifically: AI and large language model security assessment, and ransomware readiness with tabletop exercises, which is board level work rather than technical testing.

    This is a services business rather than a platform, which makes it a cleaner fit for an agency list than the marketplace style pentest providers. No founding year, team size or pricing stated. Given the calibre of the client list, the missing price point almost certainly reflects enterprise scale engagements, and it should not be recommended to smaller buyers without establishing a floor.

    Offensive security only, with no monitoring or response offering, so a buyer wanting one supplier for both testing and defence needs a second.

    Featured work

    • Zoom — continuous attack surface testing with Cosmos

      Zoom's internet-facing estate grew to roughly 500,000 assets, including around 250,000 subdomains created by its own business customers, during the 2020 remote-work surge. Bishop Fox mapped that surface continuously through Cosmos, validated findings raised by Zoom's bug bounty programme and pivoted from confirmed issues to related exposures elsewhere in the infrastructure. Zoom remediated five critical or high-risk issues within hours of validation. It is the clearest public evidence of the firm operating at hyperscale rather than running a fixed-scope test.

      • Attack surface management
      • Continuous testing
      • Cosmos
    • Equifax — continuous external perimeter testing since 2020

      Bishop Fox has monitored and tested Equifax's external perimeter across thousands of domains and subdomains since 2020, spanning the company's cloud migration. The work includes custom exploit development and verification of bug bounty submissions, with a named Equifax red team manager quoted on record. A five-year relationship with a credit bureau is useful evidence of how the firm handles a regulated, high-scrutiny buyer over time rather than in a single engagement.

      • Continuous testing
      • Cloud migration
      • Financial services
    • John Deere — product security across embedded, software and cloud

      John Deere engaged Bishop Fox for product security reviews and continuous attack surface testing spanning software, embedded systems and cloud environments, with the CISO and a product security lead quoted by name. This is the engagement that shows capability outside web and cloud application testing, into hardware and embedded targets that most application-focused firms do not cover. No vulnerability counts or metrics are published, so the outcome is described qualitatively only.

      • Product security
      • Embedded systems
      • Manufacturing
  5. #05

    Arctic Wolf

    Eden Prairie, Minnesota, USA

    Arctic Wolf logo
    Year established
    2012
    Team size
    1,001–5,000
    Pricing model
    Subscription
    Notable clients
    Oracle Red Bull Racing, BWT Alpine Formula One Team, Southampton F.C., Minnesota Wild, G&J Pepsi, Burges Salmon, Aird & Berlis, Arts Centre Melbourne
    Best for
    Organisations that want security operations run end to end by one vendor on that vendor's own platform rather than on their existing stack.

    About Arctic Wolf

    The largest name in the managed detection and response field by stated reach, claiming over 10,000 organisations protected. Headquartered in Eden Prairie, Minnesota, which makes it usable on US filtered lists, and the service range is the broadest in this batch, covering cloud detection, exposure management, awareness training and incident response alongside core MDR.

    The buyer is purchasing a service, but it is a service delivered on Arctic Wolf's own Aurora platform rather than on top of tools the customer already owns. That is the opposite of the Red Canary model and it is the most useful axis for a reader comparing the two. Anyone attached to their existing stack should understand that before engaging.

    No founding year, team size, named customers or pricing is stated on the pages read. The absence of named customers at this scale is a gap worth filling from case studies before a high placement, since the aggregate figure alone is not verifiable.

    Built around Arctic Wolf's own platform and sensors, so it suits organisations willing to standardise on one vendor over those wanting a layer above what they already run.

    Featured work

    • Managed Detection and Response on the Aurora platform

      Arctic Wolf's core offering: 24×7 monitoring with a named Concierge Security Team assigned to the account, covering deployment, triage, response actions, periodic security assessments and hand-off into incident response. The stated model is that AI handles scale while human analysts make the calls. What it demonstrates is an operating model built around a persistent, account-specific team rather than a rotating ticket queue.

      • MDR
      • 24×7 SOC
    • Incident Response and the Incident360 Retainer

      A full-service IR practice covering containment, digital forensics, business restoration, threat actor negotiation and insurance/legal support, sold either as emergency work or via a pre-committed Incident360 Retainer. Arctic Wolf publishes a one-hour response commitment and states it runs over 1,000 IR engagements a year. This is the part of the business that shows depth beyond monitoring — including ransomware negotiation, which most MDR vendors subcontract.

      • Incident Response
      • DFIR
      • Retainer
    • Oracle Red Bull Racing

      Named case study covering security operations for a Formula One team — an environment with trackside and factory infrastructure, heavy IP sensitivity and a fixed race calendar that leaves no maintenance window. Demonstrates that Arctic Wolf will put its name and the customer's name to an engagement in a high-scrutiny setting, which is rare in MDR marketing.

      • Case Study
      • Sports
  6. #06

    NetSPI

    Minneapolis, Minnesota, USA

    Year established
    2001
    Team size
    501–1,000
    Notable clients
    Microsoft, Chubb, Broadridge, Gong, Global Atlantic Financial Group, Hudl, Brightidea, Mission Fed
    Best for
    Enterprises needing recurring penetration testing across a wide estate, including unusual targets such as mainframe, hardware and AI models.

    About NetSPI

    The deepest offensive security record in our set, and the one with the widest range of testable targets. Alongside the usual application, network and cloud testing it covers AI and machine learning models, hardware systems and mainframes, and mainframe testing in particular is a capability almost no competitor advertises, which matters to banks and insurers still running that estate.

    Minneapolis headquarters with further offices in Portland, Kansas City, Toronto, London and Pune, so delivery is genuinely distributed and follow the sun testing is plausible. Named customers include Microsoft and Chubb, and the claimed reach covers the largest cloud providers, top US banks and the major consumer technology firms.

    One detail to handle carefully. NetSPI lists Nuspire as a customer, and Nuspire has since been absorbed into PDI Technologies, so any customer logo wall of this age should be treated as a snapshot rather than a current roster. Founding year, team size and pricing are not stated, and pricing is the notable gap given that penetration testing is normally quoted per engagement.

    Built around enterprise programmes rather than single tests. A small team buying one scoped engagement is not the intended buyer, so check the floor early.

    Featured work

    • Medtronic — attack surface definition and annual perimeter pentesting

      A four-year programme of annual network perimeter penetration tests with periodic spot-checks, run alongside attack surface management for a 50,000+ employee medical device manufacturer. NetSPI adapted its perimeter methodology to medical device environments rather than testing them as standard servers. Medtronic's Senior Director and Deputy CISO reports that vulnerability counts fell year on year even as tested attack surface grew, which is evidence of a retest-and-remediate loop rather than one-off reporting.

      • Penetration Testing
      • Attack Surface Management
      • Healthcare
    • Quantum Health — detective controls testing

      Simulated attacks against Quantum Health's existing security tooling to measure whether controls actually detected what they were bought to detect. The engagement found detection tools that had degraded through configuration drift and gaps in ransomware and password-spraying detection. Quantum Health's Information Security Officer puts the result at roughly $700,000 in annual savings — $400k of cancelled vendor contracts plus $300k of redeployed engineering time — an 11x return, which shows the work is framed as spend justification rather than a vulnerability list.

      • Breach and Attack Simulation
      • Detective Controls Testing
      • Healthcare
    • Gong — continuous web and mobile application pentesting

      Recurring penetration testing of Gong's web and Android applications against a codebase that ships new features continuously. The value Gong's offensive security engineer describes is operational: reproducible proofs of concept, dashboards their sales engineers can point customers at instead of PDF reports, and a ticketing integration configured in under 15 minutes on a call. This demonstrates NetSPI's delivery platform matters as much as the testing itself for teams running an ongoing programme.

      • Application Security
      • PTaaS
      • SaaS
  7. #07

    Huntress

    Columbia, Maryland, USA

    Huntress logo
    Year established
    2015
    Team size
    501–1,000
    Pricing model
    Subscription
    Typical budget
    Managed EDR from $8.99 per endpoint/month, 50-endpoint minimum, 12-month term
    Notable clients
    Boone County Schools, Cohere Health, Kinex Medical Company, Linaro Limited
    Best for
    Small and mid-size businesses, and the MSPs serving them, that want enterprise style detection without running a security team.

    About Huntress

    The most directly relevant record we hold for two of the queued lists: managed SOC for small and mid-size businesses, and white-label or MSP focused SOC. The stated mission is removing the barriers to enterprise level security, the stated buyers are SMBs, MSPs and enterprises, and MSPs and resellers are described as the primary channel. That is exactly the buyer behind those queries.

    The service range is unusually complete for the SMB end of the market, spanning managed EDR, identity threat detection, SIEM, security awareness training and posture management, all wrapped in a 24/7 SOC. Founded 2015. Stated sectors are education, financial services, state and local government, healthcare, law firms, manufacturing and utilities.

    Two caveats. It is a platform sold as a managed service rather than a consultancy, so a buyer wanting bespoke advisory work is not the fit here, and that should be said on any list. And the site names no customers, states no team size, no headquarters and no pricing, so `country` is blank pending confirmation.

    Every product carries a 50 unit minimum on a 12 month term, so an organisation under 50 endpoints pays for capacity it will not use.

    Featured work

    • Intelligent Technical Solutions — Managed EDR across a multi-office MSP

      ITS is a Las Vegas managed service provider with around 300 staff, 11 offices and 450+ clients. Huntress Managed EDR flagged malicious activity spreading on a client network at 2am and isolated the affected hosts. ITS reports incident response dropping from two to three weeks down to two to three hours. The case shows Huntress operating at MSP scale where alert quality, not alert volume, is the constraint.

      • Managed EDR
      • MSP
    • Ultra IT — Managed ITDR, EDR and Security Awareness Training across 230 tenants

      Ultra IT is a New Zealand MSP running Huntress across 230 client tenants. Huntress ITDR caught a business email compromise — a server login from Indonesia paired with command-line Azure activity — and blocked access before fraudulent invoices went out. It demonstrates identity-layer detection working in Microsoft 365 estates, not just on endpoints, and shows the service operating outside North America.

      • Managed ITDR
      • Microsoft 365
    • Key Methods — Managed EDR plus Managed SIEM across 2,000+ endpoints

      Key Methods is a Washington State MSP covering 2,000+ endpoints for nearly 80 clients. Running EDR and SIEM together let its team scope a factory incident from logs the same day rather than over several days, and avoid bringing in third-party incident response and legal counsel. The case is evidence that the SIEM product is used in anger, not just sold alongside EDR.

      • Managed SIEM
      • Incident Response
  8. #08

    TrustedSec

    Fairlawn, Ohio, USA

    TrustedSec logo
    Year established
    2012
    Team size
    51–200
    Notable clients
    KeyBank, CareSource, Shark Ninja, Equity Trust, 84.51, Speedeon, United States Marines
    Best for
    Organisations wanting a scoped consulting engagement from a research-led firm rather than a productised service.

    About TrustedSec

    The most consultancy-shaped record in the cybersecurity set, and a useful counterweight to the platform-led providers. Founded 2012 in Fairlawn, Ohio, with 7,400 plus custom security engagements completed and 207 team certifications held. Penetration testing is CREST certified, which is a meaningful accreditation rather than a self-declaration.

    The research output is the differentiator worth naming. 52 open source tools published publicly is a real contribution to the field and a credible signal of depth, since the tools are checkable by anyone. A 92% Net Promoter Score is also stated, though that is self-reported and should be labelled as such if quoted.

    Named customers span regional banking with KeyBank, healthcare with CareSource, consumer products with Shark Ninja, and the United States Marines, which supports the claim of range. Active Directory security as a named practice makes this a secondary candidate for the Microsoft identity and defederation topics. Team size and pricing are not stated, and incident response retainers are not described despite the consulting profile.

    The site describes no commercial model at all, so whether an engagement is a project, a retainer or a subscription only becomes clear in conversation.

    Featured work

    • PCI readiness assessment and remediation for a card-handling organisation

      The client came to TrustedSec after problems with their incumbent QSA's competence and project management. TrustedSec ran a PCI Readiness Assessment, surfaced compliance gaps and previously undetected security issues, then carried the remediation. The reported outcome includes a reduced compliance scope, which is the part that matters commercially — it demonstrates the firm treats scope reduction as an engineering problem, not just an audit checkbox.

      • PCI DSS
      • Compliance
      • Remediation
    • Security programme assessment across a multi-subsidiary conglomerate

      Independent programme assessments of the corporate entity and each subsidiary of a conglomerate assembled through several acquisitions, then a single roadmap unifying them. The engagement identified security and compliance gaps division by division and reduced overall programme complexity and cost. It shows the firm can work at the governance layer across many business units, not only at the technical assessment layer inside one.

      • Security Program Assessment
      • Governance
      • M&A
    • Business email compromise containment for a manufacturer

      A manufacturing company engaged TrustedSec's incident response team mid-incident, with attackers posing as the company's legal counsel and funds already moving to a fraudulent account. The team investigated, contained the invoice fraud before material loss, and followed through with procedural controls and MFA deployment. This is evidence the firm handles live incident work with forensics and post-incident hardening, not only scheduled assessments.

      • Incident Response
      • Forensics
      • BEC
  9. #09

    Coalfire

    Chicago, USA

    Coalfire logo
    Year established
    2001
    Team size
    1,000+
    Notable clients
    Albert Invent
    Best for
    Organisations pursuing FedRAMP, CMMC or HITRUST authorisation, particularly those selling to US federal government.

    About Coalfire

    The compliance specialist of the group, and the reason to hold it is the federal work. Coalfire is both an advisor and an assessor for FedRAMP and CMMC, which is a distinct and heavily gated market: a software company that wants to sell to US federal agencies has a short list of firms it can use, and this is on it. More than 85 frameworks are claimed, including CSA STAR, ISO 42001 and HITRUST.

    That advisor and assessor combination deserves a plain note on any list. Advising on a control set and then assessing against it is normal in this industry and often done by separate teams, but a reader should understand the structure rather than discover it.

    Offensive and managed services sit under a DivisionHex brand, so the offering is broader than compliance alone, though compliance is clearly the centre. Evidence is thin where it matters: only one customer is named, Albert Invent, and no headquarters, founding year, team size or pricing is stated. For a firm of this standing the single named client is surprising, and more should be found from case studies before a high placement. `country` is blank.

    Advisory and independent assessment are sold side by side. On a regulated audit it is worth confirming how the two roles are separated, or splitting them across two firms.

    Featured work

    • Paramify — first FedRAMP 20x Moderate authorisation

      Coalfire acted as Paramify's third-party assessment organisation (3PAO) on the FedRAMP 20x Moderate pilot, advising on which evidence and Key Security Indicators would actually carry weight in an assessment framework that had no established playbook. The capability on show is assessing against rules that are still being written rather than running a settled checklist. Paramify reports signing two federal agencies within six months of the assessment, with commercial buyers accepting the authorisation in place of their own security reviews.

      • FedRAMP
      • 3PAO
      • Federal compliance
    • Secureframe — FedRAMP 20x Low authorisation and Moderate pilot

      Coalfire provided both advisory and assessment services through Secureframe's FedRAMP 20x journey, interpreting ambiguous pilot requirements into specific evidence and guiding the automation and continuous-validation infrastructure needed for Moderate. It demonstrates the firm can hold an advisory role and an independent assessor role on the same engagement, which is the arrangement a buyer most needs to interrogate. Outcome: Low authorisation achieved and progression into the Moderate pilot.

      • FedRAMP
      • 3PAO
      • SaaS
    • mPulse — tripled compliance scope run by a three-person team

      When mPulse's audit load tripled, Coalfire restructured four HITRUST assessments, SOC 1, a CMS audit, penetration testing and a HIPAA risk analysis into environment-based engagements so evidence could be reused rather than re-gathered, backed by its Compliance Essentials platform as a single artifact repository. This shows the firm coordinating several regulated audits in parallel against one evidence set — the practical test of a multi-framework assessor. mPulse kept the same three-person internal team through the expansion.

      • HITRUST
      • SOC 1
      • Healthcare
  10. #10

    Synack

    Redwood City, USA

    Synack logo
    Year established
    2013
    Team size
    201–500
    Pricing model
    Subscription
    Typical budget
    Starts at $4,181
    Notable clients
    Varo Bank, Allianz Direct, Sabre, Jack Henry, CBI Health Group, Spectro Cloud
    Best for
    Government agencies and regulated enterprises wanting continuous crowd-sourced testing from a cleared researcher pool.

    About Synack

    The credential here is provenance and clearance rather than commercial logos. Founded by former NSA cybersecurity operators, with stated work on US Department of Defense networks and financial systems, and nearly 10 million hours of hands-on testing claimed across a Red Team of more than 1,500 researchers. For a public sector or defence adjacent reader that combination is the qualification, and it is one almost nobody else in the set can claim.

    Structurally this is the same model as Cobalt, a vetted researcher community coordinated through a platform, so the two should be compared directly on any list rather than treated as different categories. The buyer is purchasing platform-coordinated capacity, not a consultancy, and the tester is drawn from a pool.

    No customers are named, which is expected given the defence work but still limits verification, and no headquarters, founding year, team size or pricing is stated, so `country` is blank. The government positioning makes the missing location more consequential than usual, since a US federal buyer will need to know where the company and its data sit.

    Credits expire a year from purchase, so uneven testing volume turns into unused spend. Ask how rollover works before committing to an annual package.

    Featured work

    • Varo Bank — continuous security testing for regulatory evidence

      Varo, a US-chartered digital bank, uses Synack's continuous testing to produce evidence of security practice for its regulators. What this demonstrates is that the output is built to survive an examiner's review, not just an internal ticket queue — the reporting has to be defensible to a third party, which is a different bar from a point-in-time pentest PDF.

      • Penetration Testing
      • Fintech
      • Compliance
    • Sabre — adversarial API security testing

      Sabre's travel-distribution business runs largely on APIs, and the case study frames the engagement around gaps that automated scanners and scheduled pentests were not reaching. It shows the model applied to a large, machine-to-machine attack surface rather than a web app — a useful signal if your exposure is API-shaped.

      • API Security
      • Travel
    • Jack Henry — pentesting at scale across digital banking

      Jack Henry provides digital banking infrastructure and needed testing coverage protecting a stated 13 million-plus end users. The engagement demonstrates the researcher-crowd model operating at a volume and cadence a fixed consulting team would struggle to staff, which is the core argument for the platform approach.

      • Penetration Testing
      • Financial Services
      • Scale
  11. #11

    Critical Start

    Plano, Texas, USA

    Critical Start logo
    Year established
    2012
    Team size
    201–500
    Pricing model
    Subscription
    Best for
    Mid-market and enterprise teams that want a contractual commitment on response time rather than a best efforts service description.

    About Critical Start

    The distinguishing claim here is contractual: incident response is backed by service level agreements rather than described in general terms, and the CORR platform is presented as a dashboard the customer can see into, with stated transparency on every alert and response taken. For a buyer who has been burned by an opaque SOC, those two things are the whole argument, and they are the reason to hold this record even though the rest is thin.

    Based in Plano, Texas, founded 2012, integrating with 100 plus security tools of which 30 plus are bidirectional. Stated target is mid-market and enterprise across financial services, healthcare, manufacturing, energy, technology and state and local government.

    A hybrid rather than a pure service: human led investigation, but delivered through its own platform. No customers are named anywhere, only the aggregate 2,500 plus organisations protected, and no team size or pricing is stated. The named SLA commitments should be quoted precisely if this appears on a list, since a vague summary of them would lose the only differentiator.

    A recent site rebuild removed every named case study, so ask for references directly. The strongest per alert response SLA also applies to the top tier only.

  12. #12

    Cobalt

    San Francisco, USA

    Cobalt logo
    Year established
    2013
    Team size
    201–500
    Pricing model
    Subscription
    Typical budget
    From $3,500 per autonomous pentest (promotional rate at time of writing)
    Notable clients
    Zest AI, Syndio, Quinyx, DigitalRoute, Personio, PowerSchool, Progyny, Insurity, Flexport, Vonage, MuleSoft, Pendo, Algolia, Aircall, Verifone, Egnyte, Smarsh, HeyJobs, Sentara Healthcare, Santa Cruz County Bank
    Best for
    SaaS companies and smaller organisations needing repeatable, compliance-driven penetration testing without an enterprise engagement.

    About Cobalt

    The most accessible penetration testing option sourced so far, and the only one that names Small Business among its stated segments alongside enterprise, SaaS, financial services, healthcare and insurance. For readers who need a SOC 2 or similar attestation rather than an adversarial red team exercise, that is the relevant end of the market and it is poorly served by the enterprise firms.

    The delivery model is the thing to explain to a reader. Testing is performed by the Cobalt Core, a vetted community of more than 500 pentesters, and bought through a credit model rather than a scoped engagement. That makes budgeting predictable and repeat testing cheap, but it also means the tester is drawn from a pool rather than being a named consulting team, which is a real trade-off against a firm like Bishop Fox.

    This sits closest to the platform end of the category: the buyer purchases capacity through software rather than retaining a consultancy. No headquarters, founding year, team size, named customers or pricing figures are stated, so `country` is blank. The credit model is referenced but never priced, which is frustrating given that predictable pricing is the core claim.

    Only one figure is genuinely published and it is flagged as a promotion, and every tier is scoped to a single target, so a multi application estate multiplies the commitment.

    Featured work

    • Zest AI — LLM penetration test of a lending assistant

      Cobalt tested Zest AI's LuLu lending intelligence assistant against a methodology built on the OWASP Top 10 for LLM applications, before the product moved from beta to launch. It found an indirect prompt injection that could exfiltrate chat data through hidden markdown images, which Zest AI fixed by disabling automatic image rendering and adding an allowlist. The engagement shows testing capability against AI-specific attack classes, not just the conventional web findings it also cleared (XSS, SQL injection, unauthorised API actions).

      • LLM security
      • Application pentest
      • Fintech
    • Syndio — consolidating quarterly pentesting from three vendors to one

      Syndio replaced three separate testing vendors with Cobalt's platform, running quarterly tests with Jira integration and rotating pentesters across engagements. The relevant capability is programme administration rather than a single test: Syndio reports 50% less time spent on preparation, staging and remediation, 20% lower cost than the previous three vendors, and test setup turning around in under three days.

      • PtaaS
      • Programme consolidation
      • SaaS
    • Quinyx — SOC 2 certification and faster remediation

      Quinyx used Cobalt as the independent testing arm of its compliance work after finding its own internal testing carried its own blind spots, with findings delivered in real time into shared Slack channels alongside its engineers. Quinyx achieved SOC 2 certification in 2025, closed medium findings within a month and low findings within three, and rebuilt its login architecture on the back of the findings — evidence the output is acted on by developers rather than filed as a report.

      • SOC 2
      • Compliance pentest
      • SaaS
  13. #13

    Praetorian

    Austin, USA

    Praetorian logo
    Year established
    2010
    Team size
    51–200
    Hourly rate
    $200 – $300/hr
    Typical budget
    Starts at $10,000
    Notable clients
    Amazon, Google, Microsoft, Netflix, Salesforce, Stripe, Toyota, GE, McKesson, CVS, Abbott, HBO, Kia, Nielsen, Equifax
    Best for
    Large enterprises wanting continuous adversarial emulation rather than periodic point-in-time testing.

    About Praetorian

    The client roster is the argument. Amazon, Google, Microsoft, Netflix, Salesforce and Stripe alongside Toyota, GE, McKesson and CVS is as strong a list as any firm in this category shows, and it spans technology, automotive, healthcare and media rather than clustering in one sector.

    The positioning is adversarial emulation and continuous threat exposure management rather than scheduled penetration testing, delivered through the Chariot platform combined with an engineering team. That is a meaningfully different product from a periodic test and suits an organisation with a mature security function that wants pressure applied continuously.

    The evidence gap is unusually wide for a firm this well referenced. The company page states no headquarters, no founding year, no team size and no pricing, and the contact page is a form with no address on it at all. Service descriptions are also thin, amounting to little more than the Chariot positioning line, so the actual scope of an engagement is unclear from public pages. `country` is blank, which keeps a strong record off US lists until resolved.

    How the consulting engagements and the Chariot platform combine is not described publicly, so the shape of what you are buying has to be established on a call.

    Featured work

    • Public security advisory library (40 advisories)

      Forty vulnerabilities disclosed under Praetorian's own name against widely deployed software — Apache Struts, F5 BIG-IP, Atlassian Confluence, OpenSSL, Next.js, ASP.NET Core Kestrel and Palo Alto Networks among them, at an average CVSS of 8.4 with eighteen rated critical. This is the most checkable evidence of capability the firm publishes: original vulnerability research in software the buyer probably runs, dated and independently verifiable through the CVE record.

      • Vulnerability Research
      • Advisories
    • regreSSHion — OpenSSH pre-auth RCE (July 2024)

      A signal-handler race condition in OpenSSH's server allowing unauthenticated remote code execution, published July 2024. Finding an exploitable pre-authentication flaw in one of the most heavily audited pieces of infrastructure software in existence is a specific, hard-to-fake demonstration of low-level offensive skill.

      • Vulnerability Research
      • Infrastructure
    • Chariot — continuous offensive security platform

      Chariot pairs attack surface management with on-demand penetration testing and routes findings into one prioritisation and remediation view. It shows the firm productising its own offensive methodology rather than selling only consultant time, which matters if you want continuous coverage between engagements instead of an annual report.

      • PTaaS
      • Attack Surface Management
      • Platform
  14. #14

    UnderDefense

    New York, USA

    UnderDefense logo
    Year established
    2017
    Team size
    120+
    Pricing model
    Retainer
    Hourly rate
    $50 – $99/hr
    Typical budget
    $10 to $30 per asset per month
    Notable clients
    WWE, Volkswagen, Shell, Bill & Melinda Gates Foundation, BlackBerry, Betsson Group, Invicti, Matrix42, Materialise
    Best for
    Small and mid-size fast-growing companies wanting MDR, penetration testing and compliance support from one provider at a published rate.

    About UnderDefense

    The most useful record in the batch for the price sensitive lists, because it is the only provider so far that publishes a figure at all. The pricing page states that MDR typically runs $10 to $30 per asset per month, on annual contracts, with a 14 day free trial. That range is what makes a sub-$5,000 a month question answerable, and it implies this is viable for an estate of roughly 150 to 500 assets.

    Read the pricing claim precisely though. The figure is presented as a general market average rather than as UnderDefense's own rate card, and three of its four tiers, Standard, Enhanced and Professional, carry no numbers and route to sales. Only the free trial is genuinely priced. Quote it as an indicative range, not as this firm's price.

    New York headquarters with offices in Jacksonville, Krakow and Lviv, founded 2017, 120 plus security engineers. The client roster is strong and unusually varied for a firm this size, with WWE, Volkswagen, Shell and the Gates Foundation named. Delivery is likely blended onshore and Eastern European, which is probably how the price point works. No white-label or MSP programme is mentioned anywhere, so it does not serve the white-label SOC list despite otherwise fitting the SMB brief.

    Delivery staff are concentrated in Krakow and Lviv with US offices in New York and Jacksonville, so raise data residency early.

    Featured work

    • airSlate security partnership

      airSlate is one of the few clients UnderDefense names publicly. UnderDefense ran a pilot of CrowdStrike against SentinelOne, then deployed the chosen EDR to 1,200 endpoints across a hybrid macOS, Linux, AWS and Kubernetes estate in 23 business days, and took over 24/7 monitoring afterwards. It shows the firm can run a tool selection and a large rollout on live infrastructure rather than only staffing an existing SOC, and that it can work inside SOC 2 Type II, HIPAA, GDPR and PCI DSS constraints using metadata and telemetry only.

      • MDR
      • EDR deployment
      • Compliance
    • MDR for a German healthcare group (client anonymised)

      A 17,000-employee German healthcare organisation with 25,000+ endpoints across 100+ sites. UnderDefense tuned the incumbent EDR, took on 24/7 SOC coverage and incident response, and reports 31.07 TB of logs and 7.05 billion processes analysed in year one, with 27 confirmed attacks stopped and 37,508 false positives removed. The value of this one is scale: it is the clearest public evidence they can operate at enterprise endpoint volume under European healthcare regulation.

      • MDR
      • SOC
      • Healthcare
    • Penetration test finding critical vulnerabilities (client anonymised)

      An offensive-security engagement in which their pentest team found flaws the client's own controls had not surfaced, quantified in the write-up as avoided losses of $2M per day. It is the counterpart to the managed-service work: evidence the same firm sells adversarial testing, not only monitoring. The client is not named, which is standard for the category.

      • Penetration testing
  15. #15

    Proficio

    San Diego, California, USA

    Proficio logo
    Year established
    2010
    Team size
    51–200
    Hourly rate
    $150 – $199/hr
    Typical budget
    Starts at $10,000
    Notable clients
    La Jolla Immunology, Naropa University
    Best for
    Organisations already invested in Microsoft Sentinel or Splunk that want it monitored rather than replaced.

    About Proficio

    The most directly relevant record we hold for the Microsoft focused queries. Proficio sells named MDR variants for Microsoft Sentinel and for Splunk as distinct offerings, which is exactly what a buyer searching for a Sentinel MSSP is looking for, and it is more specific than a general claim of supporting many tools.

    San Diego headquarters with additional SOCs in Barcelona and Singapore, founded 2010, supporting 350 plus log sources and integrations. Delivery is offered either fully hosted or co-managed, so the customer can keep a hand in. Service range is unusually wide, including breach and attack simulation and identity threat detection.

    The two named customers, La Jolla Immunology and Naropa University, are small and local, which sits oddly against the global SOC footprint and suggests the marketing pages are not showing the real account base. Team size and pricing are not stated. For the Microsoft 365 and Azure MSSP lists this record earns a place on the strength of the Sentinel offering alone.

    Continuous monitoring, not project engineering, so a one off assessment needs a second supplier. Headquarters is recorded inconsistently across sources, so confirm which office holds the contract.

    Featured work

    • La Jolla Institute for Immunology

      A 450-person non-profit research institute with a small internal IT team and only ad-hoc network and endpoint protection. Proficio took over monitoring so the institute could run a real security programme without hiring for it. Shows the firm can work to a non-profit's funding constraints, where budget goes to research rather than IT, and still cover sensitive research data.

      • MDR
      • Managed SOC
    • Rosedale Union School District

      A California district serving 6,500+ students with a six-person IT team, acting after ransomware hit neighbouring districts. Proficio deployed ProSOC MDR through its partner Secure Centric. Demonstrates both a channel delivery route and the ability to give a public-sector body 24/7 coverage it could not staff internally.

      • MDR
      • Public sector
      • Channel delivery
    • Naropa University

      A Boulder, Colorado university holding sensitive student records but with no case for a full in-house security team. Proficio supplied the monitoring layer instead. Evidence that the firm's model fits organisations that need enterprise-grade detection at a scale that cannot justify a staffed SOC.

      • MDR
      • Higher education
  16. #16

    Surefire Cyber

    Remote, USA

    Surefire Cyber logo
    Year established
    2022
    Team size
    70+
    Pricing model
    Retainer
    Best for
    Organisations wanting an incident response retainer in place before a breach, particularly where a cyber insurance claim will follow.

    About Surefire Cyber

    A pure incident response firm rather than a monitoring provider, which makes it directly relevant to the cloud incident response topic where most candidates are large consultancies with an IR line attached.

    Two elements stand out. Threat actor communication and negotiation is named as a distinct service, which is the part of a ransomware event most firms will not discuss publicly and which a reader facing that situation most needs. And claims-ready reporting is offered explicitly, meaning output formatted for a cyber insurance claim. Since insurers increasingly drive the choice of IR firm, that is a commercially significant detail.

    The firm advertises transparent pricing, but no figure appears anywhere on the pages read and the retainer page could not be reached. That gap matters more here than for any other record, because the queued list is defined by a monthly budget ceiling, and a stated commitment to transparency with no published number is exactly the claim worth testing directly. No headquarters, founding year, team size or named customers stated either, so `country` is blank.

    Founded in 2022, so a shorter track record than the response practices inside the large consultancies, and no retainer or hourly figure is published.

    Featured work

    • Critical care clinic ransomware recovery

      A ransomware attack encrypted the clinic's Active Directory and electronic medical records servers, stopping patient care. Surefire's team worked the incident over a weekend and had the clinic seeing patients again on Monday morning. The value of the write-up is that it shows the firm sequencing containment, forensics and restoration as one engagement rather than handing restoration off, which is the distinction it draws against pure-forensics IR shops.

      • Incident Response
      • Ransomware
      • Restoration
    • IR Retainer programme (Tier 1 / Tier 2)

      A published two-tier retainer: Tier 1 covers onboarding, 24/7 emergency support, an IR plan template and quarterly intelligence; Tier 2 adds pre-paid hours usable for tabletop exercises, intelligence briefings and plan development. Rates and terms are pre-negotiated in advance of an incident. It demonstrates that the firm sells readiness as a standing commercial arrangement, not only breach-time response.

      • IR Retainer
      • Readiness
    • Resiliency Support Program

      A post-incident programme covering the period after containment, aimed at closing the gaps the incident exposed. Alongside the IR Plans and Exercises service line it shows the firm working both sides of an incident — preparation and hardening — rather than only the breach window.

      • Post-incident
      • Resilience

Which of the sixteen fits your constraint

Start from what is actually true of your situation rather than from the ranking.

The incident has already happened. Call Surefire Cyber or Arctic Wolf. Both run response as a real practice rather than a referral, and Arctic Wolf publishes a one hour commitment. If a cyber insurance claim will follow, ask specifically for claims ready reporting, because the format your insurer accepts is not the format a technical report comes in.

You have nobody in house to act on an alert at 3am. Look at Arctic Wolf, Red Canary or Huntress. Each will take the response action itself rather than escalate it to a team you do not have. Huntress is the one to start with under a few hundred endpoints, and it is the only one where you can size the bill before you call.

You already own a SIEM and want it operated, not replaced. Deepwatch, Expel and Proficio all work on top of what you have. Proficio names Sentinel and Splunk variants outright, so if that is your stack, start there.

A federal authorisation is in play. Coalfire if you need the assessment itself, Synack if you need testing an agency can procure directly.

You need to be tested rather than watched. Bishop Fox for an enterprise estate with named comparable work, NetSPI if the estate includes mainframe, hardware or AI models, Cobalt if you need a repeatable SOC 2 style test without an enterprise engagement, Praetorian if you want continuous adversarial pressure rather than an annual window.

Budget is the binding constraint. Four firms let you size the spend before a sales call: Huntress and Synack from their own sites, Praetorian and Proficio from their Clutch profiles. That is not the same as being the cheapest. It means you can qualify them out in ten minutes rather than three meetings.

You want testing and defence from one supplier. Fewer firms do this well than claim it. TrustedSec and UnderDefense are the two here that genuinely carry both, and both should be asked which side of the house holds the account.

Frequently asked questions

What does a US cybersecurity provider actually cost?

Only four of the sixteen firms here let you find out without a sales call. Huntress publishes $8.99 per endpoint per month for managed EDR, $4.80 per identity and $4.00 per log source, on a 50 unit minimum and a 12 month term. Synack lists tiers from around $4,181 for one low complexity application, with human team coverage starting near $27,120. Praetorian reports $200 to $300 an hour with a $10,000 minimum on Clutch, and Proficio $150 to $199 with the same minimum. Everyone else quotes after scoping, which usually turns on endpoint or identity count for monitoring, and on scope and duration for testing.

What is the difference between an MSSP, MDR and a managed SOC?

MSSP is the oldest and broadest term, historically meaning a provider that manages security devices such as firewalls and forwards you the alerts. MDR narrows that to detection and response specifically, and the important part is the response: a real MDR provider investigates the alert and takes action rather than passing it to you. Managed SOC usually means the whole security operations function is run externally. The question that separates them in practice is not the label but this one: when something fires at 3am, who acts, and what are they contractually allowed to do on your systems?

Does it matter where the analysts watching my systems are based?

It matters if you are in a regulated sector, sell to government, or hold data with residency conditions attached. Several providers here run follow the sun coverage from multiple countries, which is what makes 24/7 economical: Deepwatch operates from Palo Alto, Tampa and Bengaluru, Proficio from the US, Barcelona and Singapore, and UnderDefense concentrates delivery staff in Krakow and Lviv alongside US offices. None of that is a problem in itself, and it is often why the price works. It becomes one when it surfaces during procurement rather than on the first call.

Can a provider work with the security tools we already own?

Some are built for exactly that and some are not, and it is the single most expensive thing to get wrong. Deepwatch, Expel and Proficio all operate the SIEM and endpoint tooling you already run, with Expel publishing more than 160 integrations and Critical Start more than 100, of which 30 plus are bidirectional so analysts can act inside CrowdStrike, Defender or Okta directly. Arctic Wolf and UnderDefense take the other approach, running the service on their own platform and sensors. Neither model is better. But if you have already spent on a SIEM, the second model means writing that off or running two.

Who do we call during an active breach, and can that be arranged in advance?

Yes, and arranging it in advance is the point. An incident response retainer sets the terms, rates and contacts before anything happens, which removes the contracting delay that otherwise costs you the first day. Surefire Cyber pre negotiates retainer terms and delivers restoration in house rather than handing recovery back to your IT provider. Arctic Wolf runs response in house at more than 1,000 engagements a year with a published one hour commitment, and includes ransomware negotiation. If you carry cyber insurance, check first whether your policy routes response through a carrier panel, because that may decide it for you.

What should a federal or defense supply chain buyer look for?

Accreditation, and specifically the right one for the stage you are at. Coalfire is accredited both as a FedRAMP 3PAO and a CMMC C3PAO, meaning it can perform the assessment itself rather than only prepare you for one. Synack is FedRAMP Moderate authorised, which makes it directly procurable by agencies, and names DoD and HHS among environments tested. Beyond accreditation, ask where the data sits, whether GovCloud hosting is available, and whether NIST SP 800-171 and CMMC readiness are named services rather than something the firm will attempt.

Is a penetration test the same thing as a red team engagement?

No, and buying one when you needed the other is common. A penetration test is scoped and time boxed, and looks for as many vulnerabilities as possible inside an agreed boundary, which is what a SOC 2 or PCI requirement usually asks for. A red team engagement is goal based: a small team tries to reach a specific objective by any route, including ones you did not scope, and it tests whether your defenders notice. Test first, red team later. A red team against an untested estate mostly produces an expensive report saying what a pentest would have found.

What should we ask on the first call?

Five questions separate these firms faster than any brochure. What exactly are you allowed to do on my systems without asking me first? Which of your case studies is closest to my environment, and can I speak to them? What is the total first year cost including onboarding, and what is the minimum term? If you miss a response time, what happens commercially? And who specifically would hold this account, given that several firms here have grown by acquisition?

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