CISO Tribune

Vendor comparison · 2 companies

Coalfire vs Quorum Cyber

Coalfire sells advisory, audit and assessment services. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under Security consulting and advisory and MDR and managed SOC. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

Change the companies

Up to four companies side by side.

  • Coalfire
  • Quorum Cyber
Coalfire vs Quorum Cyber: Products, Customers and Funding Compared
CoalfireCoalfire sells advisory, audit and assessment services.coalfire.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Compliance Essentials[3]A SaaS platform that enterprises use to manage complex compliance programs and audit cycles.
  • Hexeon[3]A platform combining high-frequency offensive pen testing with strategic defensive risk management.
  • DivisionHex[3]A team of offensive, defensive and managed cybersecurity experts.
  • Advisory, Audit, and Assessment services[3]Services that cover the professional services layer of Coalfire.
  • AI Security and Trust Engineering[4]Services that help companies design, build and operate AI systems that meet compliance targets.
  • Clarity Defend[1][3][6]Managed detection and response service providing 24/7 monitoring, detection and response to attacks.
  • Clarity Extend[1][3]Enhanced security coverage extending monitoring to Microsoft Cloud and third-party technologies across an organization's IT ecosystem.
  • Clarity Protect[1][3]Service that detects and stops threats, reduces cyber risk, and strengthens security across Microsoft and AI environments, including a CTEM offering.
  • Clarity Data & AI[1][3]Service that helps organizations understand, protect and govern data, reducing exposure to insider threats and AI-related risks.
  • Clarity OT[3]Managed detection and response service for operational technology environments.
  • Incident Response Services[3]Services including incident response preparedness, retainer agreements, and emergency MDR for breach investigation and containment.
Categories
Headquarters
Chicago, United States[2]Edinburgh, United Kingdom[1]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pages
  • September 16, 2026Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.[12]
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[7]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Coalfire states that it helps boards and C-level executives identify their critical assets, potential vulnerabilities and which risks to address. Coalfire offers responsible AI governance for healthcare and regulated organizations. Coalfire provides independent audit support for CMS-regulated entities. Coalfire's AI Security and Trust Engineering services are aimed at companies that design, build and operate AI systems.Not written yet
Last verified
November 2, 2026October 7, 2026

Where they overlap

  • Coalfire and Quorum Cyber are both filed under Security consulting and advisory and MDR and managed SOC.

Where they differ, field by field

  • Coalfire's primary category is Security consulting and advisory; Quorum Cyber's is MDR and managed SOC.
  • Coalfire is also filed under Penetration testing and red team services and Compliance automation. Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • Coalfire lists Compliance Essentials, Hexeon, DivisionHex, Advisory, Audit, and Assessment services and AI Security and Trust Engineering. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Coalfire is headquartered in Chicago, United States. Quorum Cyber is headquartered in Edinburgh, United Kingdom.

What it sells: Coalfire

What Compliance Essentials does[3]
Compliance Essentials supports coordinated assessments for over 75 frameworks using Coalfire's proprietary controls mapping. Data is provided to Compliance Essentials by the organization's assessment users. Compliance Essentials carries the certifications ISO 27001:2022, ISO 27701 and SOC 2 Type 2.
What Hexeon does[3]
The Hexeon platform combines high-frequency offensive pen testing with strategic defensive risk management. Hexeon uses data collected by Coalfire offensive security teams, such as penetration testing findings, vulnerability data and other data concerning technical risk.
What Advisory, Audit, and Assessment services does[3]
Coalfire's Advisory, Audit, and Assessment services cover the professional services layer of the company. Coalfire's Advisory expertise specializes in GRC, AI cloud engineering, healthcare risk and FedRAMP. Coalfire assesses, simplifies and provides guidance across PCI DSS, HITRUST, ISO, FedRAMP and 85+ frameworks.
What AI Security and Trust Engineering does[4]
Coalfire's AI Security and Trust Engineering services help companies design, build and operate AI systems that meet compliance targets. The services deploy AI agents to enhance security and compliance operations. Coalfire has a framework to secure AI systems end-to-end for compliance and risk mitigation.

Questions about Coalfire and Quorum Cyber

What do Coalfire and Quorum Cyber sell?
Coalfire sells Compliance Essentials, Hexeon, DivisionHex, Advisory, Audit, and Assessment services and AI Security and Trust Engineering. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are Coalfire and Quorum Cyber in the same category?
They share Security consulting and advisory and MDR and managed SOC. Coalfire's primary category is Security consulting and advisory and Quorum Cyber's is MDR and managed SOC.
Where are Coalfire and Quorum Cyber headquartered?
Coalfire is headquartered in Chicago, United States. Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are Coalfire and Quorum Cyber sold to?
Coalfire states that it helps boards and C-level executives identify their critical assets, potential vulnerabilities and which risks to address.
What have Coalfire and Quorum Cyber announced recently?
September 16, 2026: Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.

About Coalfire

Coalfire sells advisory, audit and assessment services.[1][3]

Coalfire's Advisory, Audit, and Assessment services cover the professional services layer of the company. Coalfire's Advisory expertise specializes in GRC, AI cloud engineering, healthcare risk and FedRAMP. Coalfire assesses, simplifies and provides guidance across PCI DSS, HITRUST, ISO, FedRAMP and 85+ frameworks.[3]

Compliance Essentials supports coordinated assessments for over 75 frameworks using Coalfire's proprietary controls mapping. Data is provided to Compliance Essentials by the organization's assessment users. Compliance Essentials carries the certifications ISO 27001:2022, ISO 27701 and SOC 2 Type 2.[3]

The Hexeon platform combines high-frequency offensive pen testing with strategic defensive risk management. Hexeon uses data collected by Coalfire offensive security teams, such as penetration testing findings, vulnerability data and other data concerning technical risk.[3]

Coalfire's AI Security and Trust Engineering services help companies design, build and operate AI systems that meet compliance targets. Coalfire's AI Security and Trust Engineering services deploy AI agents to enhance security and compliance operations. Coalfire has a framework to secure AI systems end-to-end for compliance and risk mitigation. Coalfire's Secure Agent Construct maps to AWS services to implement proper isolation, permissions, and feedback loops.[1][4]

For healthcare and federal programs, Coalfire offers end-to-end advisory for entities within the CMS environment, including readiness assessments and System Security and Privacy Plan development. Coalfire provides independent audit support for CMS-regulated entities, helping organizations demonstrate compliance with ARC-AMPE-AE and related federal security and privacy requirements. Coalfire conducts Privacy Impact Analyses for CMS entities and their contractors. Coalfire delivers automated and manual accessibility testing that meets federal standards. Coalfire provides HITRUST support across the full lifecycle, including gap assessments, policy development, remediation guidance, interim assessments and recertification. Coalfire delivers a workshop-based vendor risk program design built on three pillars: vendor criticality categorization, policy and procedure enhancement, and an SCRM tabletop exercise.[5]

Coalfire offers a unified approach to AI compliance across HITRUST and ISO 42001. The unified AI compliance offering combines readiness assessments, documentation development, remediation support, coordinated assessments, and continuous AI compliance monitoring. Coalfire provides responsible AI governance for healthcare and regulated organizations. Coalfire vCISO services provide program oversight, roadmap development, executive and board reporting, risk leadership, and incident readiness support. Coalfire advisors lead executive tabletop exercises, conduct business impact analysis, and build downtime continuity plans. Coalfire training offerings include incident response training, compliance and privacy training, and executive and board tabletop exercises.[5]

Coalfire helps boards and C-level executives identify their critical assets, potential vulnerabilities, and what risks to address based on business objectives. Dr. Adrian Mayers, Global CISO at Premera, is a Coalfire client. Coalfire released a SOC2 Type 2 report covering the examination period of 3/1/2025 to 2/28/2026. The Coalfire Cybersecurity team and DivHex are finalizing certification to the CyberEssentials Plus standards.[1][3][5][6]

Coalfire on the record

Sources

Coalfire full record

  1. [1]coalfire.comCoalfire · coalfire.com · undated page, accessed November 2, 2026 · Tier A
  2. [2]Coalfires managed and transformation services will deliver security at scaleCoalfire · coalfire.com · published August 4, 2026 · Tier A
  3. [3]Coalfire Trust Center | Powered by ConveyorCoalfire · undated page, accessed November 10, 2026 · Tier A
  4. [4]Coalfire AI Security and Trust Engineering™ | CoalfireCoalfire · undated page, accessed November 10, 2026 · Tier A
  5. [5]Healthcare Advisory Services | CoalfireCoalfire · undated page, accessed November 10, 2026 · Tier A
  6. [6]Cybersecurity and Compliance Services | CoalfireCoalfire · undated page, accessed November 10, 2026 · Tier A
  7. [7]Coalfire Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

Quorum Cyber full record

  1. [1]quorumcyber.comQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  2. [2]Difenda will rebrand as quorum cyberQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  3. [3]Microsoft Cyber Security Services Provider | Quorum CyberQuorum Cyber · undated page, accessed October 31, 2026 · Tier A
  4. [4]About Quorum | Cyber Security CompanyQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  5. [5]Why I’m Passionate about Protecting British Organisations from Cybercrime - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Managed Security Services | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cyber Resilience Assessment | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Quorum Cyber Managed XDR integrates with Microsoft Security Technology - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]Quorum Cyber is leveraging Copilot for Security at scale - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]Customers Informed of Microsoft Data Breach - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]Quorum Cyber appoints Chief Information Security OfficerQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Quorum Cyber Announces Intent to Acquire Ontinue, Building an Unrivaled Microsoft-First Agentic SOC for the Autonomous Threat EraPRNewswire · published September 16, 2026 · Tier A

Spot a factual error? Request a correction.