CISO Tribune

Vendor comparison · 2 companies

NCC Group vs Quorum Cyber

NCC Group is a global cyber security and resilience company with over 2000 colleagues around the world. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under Incident response and forensics 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.

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  • NCC Group
  • Quorum Cyber
NCC Group vs Quorum Cyber: Products, Customers and Funding Compared
NCC GroupNCC Group is a global cyber security and resilience company with over 2000 colleagues around the world.nccgroup.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Penetration Testing Services[1]Security assessments that test an organization's systems to find weaknesses.
  • Continuous Penetration Testing[1]Ongoing testing of environments rather than a single point-in-time engagement.
  • Managed Extended Detection & Response (MXDR)[1]A managed service that monitors customer environments and detects and responds to threats, offered for Microsoft and Splunk tooling.
  • Attack Surface Management[1]Continuous monitoring of an organization's external-facing assets from an attacker's perspective.
  • Cyber Incident Response Retainer[1]A retainer service providing digital forensics and incident response support for critical assets.
  • Online Exposure Monitoring[1]Continuous monitoring of the surface, deep and dark web to reduce the risk and impact of cyber attacks.
  • 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
Not stated on its pagesEdinburgh, 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[13]
  • 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
NCC Group also addresses Hyperscalers and their clients that are undertaking cloud transformation. Industrial organizations facing regulatory complexity across global operations and supply chains are another group it addresses. Its customer examples include a private university and a major professional services client.Not written yet
Last verified
November 4, 2026October 7, 2026

Where they overlap

  • NCC Group and Quorum Cyber are both filed under Incident response and forensics and MDR and managed SOC.

Where they differ, field by field

  • NCC Group's primary category is Penetration testing and red team services; Quorum Cyber's is MDR and managed SOC.
  • NCC Group is also filed under External attack surface management. Quorum Cyber is also filed under Security consulting and advisory and OT and ICS security.
  • NCC Group lists Penetration Testing Services, Continuous Penetration Testing, Managed Extended Detection & Response (MXDR), Attack Surface Management, Cyber Incident Response Retainer and 1 more. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Quorum Cyber is headquartered in Edinburgh, United Kingdom.

Questions about NCC Group and Quorum Cyber

What do NCC Group and Quorum Cyber sell?
NCC Group sells Penetration Testing Services, Continuous Penetration Testing, Managed Extended Detection & Response (MXDR), Attack Surface Management, Cyber Incident Response Retainer and 1 more. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are NCC Group and Quorum Cyber in the same category?
They share Incident response and forensics and MDR and managed SOC. NCC Group's primary category is Penetration testing and red team services and Quorum Cyber's is MDR and managed SOC.
Where are NCC Group and Quorum Cyber headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are NCC Group and Quorum Cyber sold to?
NCC Group also addresses Hyperscalers and their clients that are undertaking cloud transformation.
What have NCC Group 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 NCC Group

NCC Group is a global cyber security and resilience company with over 2000 colleagues around the world. NCC Group takes part in the NCSC’s Industry 100 Programme. NCC Group was an executive lunch sponsor at the 9th Annual Cybersecurity Summit of Auto-ISAC in Washington, D.C.[3][4]

NCC Group offers incident readiness services, crisis management and post-incident recovery guidance. NCC Group uses technical experts to assess the security of applications, hardware, networks and infrastructure. NCC Group performs 24/7/365 monitoring and security process management for organisations that augment, outsource or optimize their cyber security programs. NCC Group provides advisory expertise and hands-on implementation of preventative controls. NCC Group delivers intelligence and insights on advanced cyber threats and adversaries. NCC Group puts organisations in touch with an accredited Incident Response expert.[1][3]

NCC Group security consultants and certified ethical hackers carry out exercises that emulate the cyber attacks that networks, systems and applications could face. NCC Group's penetration testing combines automated tools with manual testing. NCC Group provides Red, Purple, and Black Teaming services. NCC Group assesses web and mobile applications for security vulnerabilities. NCC Group offers fully automated, semi-automated, and manual testing services. NCC Group reviews the secure configuration of devices and systems, including build reviews and network device reviews. NCC Group uses a proprietary configuration scanner that incorporates cloud-provider benchmarks. NCC Group reviews container and orchestration setups. NCC Group assesses smart contract implementations, Web3 integrations, and cryptographic protocols in blockchain applications. NCC Group assesses encryption configurations, cryptographic primitives, and security protocols. NCC Group conducts design and architecture reviews with client engineering groups throughout the development lifecycle. NCC Group offers continuous, contextualised security assurance for modern development lifecycles. NCC Group states that penetration testing helps meet compliance with industry regulations such as PCI DSS, ISO 27001, and GDPR.[1][5]

NCC Group provides managed security operations, bug bounty programs, financial fraud prevention, and continuous vulnerability scanning. NCC Group triages alerts and removes false positives in vulnerability management, with experts who can also help with remediation. NCC Group gives customers access to independent security researchers worldwide and builds, executes, and manages bug bounty programs. NCC Group offers a vulnerability and threat management platform powered by human expertise and artificial intelligence. NCC Group helps organizations see their external facing assets and attack surface from a hacker’s perspective.[1][6]

NCC Group delivers technical expertise to Hyperscalers and their clients so that cloud transformation is secure, compliant and strategically aligned. NCC Group runs blended cyber, physical and social engineering simulations. NCC Group delivers OT Incident Response in partnership with Dragos and adds it to a client's IT Retainer. NCC Group uses a custom-built OT network sensor that monitors traffic and feeds directly into its SOC. NCC Group physically audits client environments, assesses machinery and equipment, and reviews how it is connected to the wider network. NCC Group helps clients deploy and integrate modern identity solutions. NCC Group detects identity-based threats and attacks and responds through integrated SOC intelligence and continuous monitoring. NCC Group helps clients automate and optimize their identity security operations. NCC Group helps clients interpret supply chain regulations such as NIS2 and DORA. NCC Group assesses cyber risk throughout the M&A lifecycle. NCC Group provides buy-side and sell-side due diligence. NCC Group monitors and tracks adversary behavior across sectors and regions, including dark web activity linked to supply chain compromise.[7][8][9][10][11]

Tulane University is a private university in New Orleans. Tulane University selected NCC Group via a referral. A major professional services client asked NCC Group for assistance with the migration of its Security Operation Center, which included two data centers, onto the cloud. NCC Group cloud experts performed threat modeling, harmonized standard operating procedures, and created incident response plans for that migration.[1][5][6][7][8][9][11][12]

NCC Group on the record

Sources

NCC Group full record

  1. [1]nccgroup.comNCC Group · nccgroup.com · undated page, accessed November 4, 2026 · Tier A
  2. [2]Case Study: Digital Forensics for Tulane University | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  3. [3]NCC Group | Leading Cyber Security & Managed ServicesNCC Group · undated page, accessed November 10, 2026 · Tier A
  4. [4]Reflections from the 2025 Auto-ISAC Cybersecurity Summit | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  5. [5]Penetration Testing Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  6. [6]Managed Security Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cloud & Digital Transformation Security Solutions | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  8. [8]Proactive Security | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  9. [9]Operational Technology (OT) Security | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  10. [10]Digital Identity Solutions | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  11. [11]Supply Chain & Third-Party Cyber Risk | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  12. [12]Case Study: Cloud Migration for Professional Services | NCC GroupNCC Group · undated page, accessed November 10, 2026 · Tier A
  13. [13]NCC Group 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

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