CISO Tribune

Vendor comparison · 2 companies

CyberProof vs Quorum Cyber

CyberProof is a cloud first security operations company and a Managed Detection & Response provider for global enterprises. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under 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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  • CyberProof
  • Quorum Cyber
CyberProof vs Quorum Cyber: Products, Customers and Funding Compared
CyberProofCyberProof is a cloud first security operations company and a Managed Detection & Response provider for global enterprises.cyberproof.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Agentic MXDR[1][5]A co-managed service that connects AI agents, expert analysts and CDC Reveal360 outcome intelligence.
  • Cybersecurity Estate Management[7]A service that discovers, classifies and contextualizes assets.
  • CDC Reveal360[5][10]The place where people interact with CyberProof platform and service data.
  • 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: Not stated on its pages
  • 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
From its own pages, CyberProof sells mainly to global enterprises moving to cloud-native environments. CyberProof addresses cybersecurity challenges in the Retail industry through managed services. Its customers include a global provider of dental and pharmaceutical products and a European-based global pharmaceutical company that offers tests and systems for disease diagnosis. One customer looked for a partner willing to work in a hybrid model where cloud and on-premises resources could be jointly assessed. CDC Reveal360 shows risk burndown and outcomes for CISOs, service delivery teams, compliance teams and customized personas.Not written yet
Last verified
November 12, 2026October 7, 2026

Where they overlap

  • MDR and managed SOC is the primary category of both CyberProof and Quorum Cyber.

Where they differ, field by field

  • CyberProof is also filed under Exposure prioritisation and CTEM, Penetration testing and red team services and Vulnerability management. Quorum Cyber is also filed under Incident response and forensics, Security consulting and advisory and OT and ICS security.
  • CyberProof lists Agentic MXDR, Cybersecurity Estate Management and CDC Reveal360. 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.

How they differ

CISO Tribune files both CyberProof and Quorum Cyber under MDR and managed SOC as the primary category. CyberProof sells Agentic MXDR, a co-managed service that connects AI agents, expert analysts and CDC Reveal360 outcome intelligence. CyberProof also sells Cybersecurity Estate Management, which discovers, classifies and contextualizes assets. CISO Tribune also files CyberProof under Exposure prioritisation and CTEM, Penetration testing and red team services, and Vulnerability management.

Quorum Cyber sells the Clarity Defend managed detection and response service, which provides 24/7 monitoring, detection and response. Its other offerings include Clarity OT for operational technology environments and Incident Response Services with retainer agreements. CISO Tribune files Quorum Cyber under Incident response and forensics, Security consulting and advisory, and OT and ICS security as well. Quorum Cyber describes its services as Microsoft-first and says it works with Microsoft Sentinel. CyberProof says its Agentic MXDR orchestrates Microsoft, Google, third-party, client-developed and CyberProof agents.

Quorum Cyber is headquartered in Edinburgh, United Kingdom, and was founded there in 2016. CyberProof is a UST company. CyberProof says it sells mainly to global enterprises moving to cloud-native environments, and its customers include a global provider of dental and pharmaceutical products. Quorum Cyber states that it protects 400+ organisations across four continents. On the acquisition side, CyberProof acquired Interpres Security in 2024. On September 16, 2026, Quorum Cyber announced a definitive agreement to acquire Ontinue, a managed extended detection and response provider.

What it sells: CyberProof

What Agentic MXDR does[1][5]
CyberProof Agentic MXDR connects AI agents, expert analysts and CDC Reveal360 outcome intelligence into one co-managed service. The service provides 24/7 expert-led threat detection, triage, investigation, response and continuous improvement. Human analysts remain in the loop to validate outcomes, manage complex incidents and guide response decisions.
What Cybersecurity Estate Management does[7]
CyberProof's Cybersecurity Estate Management continuously discovers, classifies and contextualizes assets. It groups assets as managed, unmanaged or suspicious based on security coverage. It uncovers known and unknown assets across cloud, on-prem and hybrid estates.
What CDC Reveal360 does[5][10]
CDC Reveal360 is where people interact with CyberProof platform and service data. It has a widget based customizable user interface layer and caters for different personas who have different needs. For managed service customers it shows incidents handled, SLAs met, security posture trends and service metrics.

Questions about CyberProof and Quorum Cyber

What do CyberProof and Quorum Cyber sell?
CyberProof sells Agentic MXDR, Cybersecurity Estate Management and CDC Reveal360. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are CyberProof and Quorum Cyber in the same category?
Yes. MDR and managed SOC is the primary category of both on CISO Tribune.
Where are CyberProof and Quorum Cyber headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are CyberProof and Quorum Cyber sold to?
From its own pages, CyberProof sells mainly to global enterprises moving to cloud-native environments.
What have CyberProof 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 CyberProof

CyberProof is a cloud first security operations company and a Managed Detection & Response provider for global enterprises. CyberProof is a UST company that supports enterprises as they migrate to cloud-native environments. CyberProof delivers threat-led, co-managed security operations. CyberProof has achieved ISO-27001 certification and the Type 2 SOC 2 audit. Interpres Security, a startup providing Exposure Management and Defensive Optimization, was acquired by CyberProof in 2024.[2][3]

CyberProof Agentic MXDR connects AI agents, expert analysts and CDC Reveal360 outcome intelligence into one co-managed service. CyberProof's Agentic MXDR service provides 24/7 expert-led threat detection, triage, investigation, response and continuous improvement. CyberProof Agentic MXDR orchestrates the collaboration of Microsoft, Google, third-party, client-developed and CyberProof agents across one governed security service.[1][5]

Agents in Agentic MXDR help identify detection gaps, inactive rules, telemetry issues and opportunities for tuning. XProfiler tailors threat profiles to a customer's tech stack, geography and industry using AI-driven enrichment and correlation. ThreatX automates hypothesis generation and query creation across multiple data sources. ReMEDRion performs automated, weekly EDR health checks to ensure coverage, policy compliance and detection readiness. GapGuard validates and enriches MITRE mappings, identifying gaps and suggesting improvements to enhance detection quality. Spectra continuously discovers, classifies and inventories assets across environments, mapping them to owners and controls. CyberForge automates HLD generation using reference libraries, contextual inputs and interactive refinements.[5][6]

CyberProof's Cybersecurity Estate Management continuously discovers, classifies and contextualizes assets. Cybersecurity Estate Management groups assets as managed, unmanaged or suspicious based on security coverage. Cybersecurity Estate Management continuously uncovers all known and unknown assets across cloud, on-prem and hybrid estates. By connecting with existing security tools and cloud data, Cybersecurity Estate Management automatically enriches assets with business and security context, including ownership, sensitivity and vulnerability exposure. CyberProof uncovers the AI agents, LLM providers and MCP servers across an enterprise, whether sanctioned or not. CyberProof discovers and classifies assets across AWS, Azure and GCP.[1][7][11]

The CyberProof Threat Exposure Management Platform, powered by Interpres, operationalizes TTP-based cyber threat intelligence. The CyberProof Threat Exposure Management Platform continuously scans an organization's entire digital ecosystem including assets, to ensure defensive controls align to the threats targeting the organization. The CyberProof Threat Exposure Management Platform evaluates the risk associated with each vulnerability or exposure, considering the likelihood of exploitation and the potential impact on the organization. Interpres collector integrations are light-weight, agentless and connected by read-only APIs. Collector integrations allow Interpres to ingest data from security tooling to understand current coverage and to identify and prioritize recommended defensive actions. CyberProof has partnered with Interpres Security to offer a custom Defense Readiness Self-Assessment that provides a continuous threat and exposure management (CTEM) view into organizations. CyberProof covers Cloud Security, Data Security, AI Security, Vuln Management, Pen Testing and IAM Security.[1][2][8][9][11]

CDC Reveal360 is where people interact with CyberProof platform and service data. CDC Reveal360 has a widget based customizable user interface layer and caters for different personas who have different needs. CDC Reveal360 shows what CyberProof is doing: incidents handled, SLAs met, security posture trends and service metrics. CDC Reveal360 visualizes analysis from Interpres: threat-defense coverage gaps, exposure prioritization and estate visibility. The CyberProof Defense Center (CDC) platform supports collaborative, real-time security operations for all stakeholders through orchestration and smart automation.[10][11]

CyberProof worked with Microsoft to provision and deploy Microsoft XDR and integrate it with a client's current Managed Detection & Response service with CyberProof. CyberProof addresses the cybersecurity challenges in the Retail industry through its managed services, tools and methodologies.[1][2][5][7][11][12]

CyberProof on the record

Sources

CyberProof full record

  1. [1]cyberproof.comcyberproof.com · undated page, accessed November 12, 2026 · Tier A
  2. [2]Threat-Led Defense | Asset, Exposure and Defense ManagementCyberProof · undated page, accessed November 12, 2026 · Tier A
  3. [3]Cybersecurity Innovation – CyberProofCyberProof · undated page, accessed November 12, 2026 · Tier A
  4. [4]About Us | CyberProofCyberProof · undated page, accessed November 12, 2026 · Tier A
  5. [5]Agentic MXDRCyberProof · undated page, accessed November 12, 2026 · Tier A
  6. [6]Agentic AI for Modern Security OperationsCyberProof · undated page, accessed November 12, 2026 · Tier A
  7. [7]Cybersecurity Estate ManagementCyberProof · undated page, accessed November 12, 2026 · Tier A
  8. [8]Threat Exposure Management Platform TourCyberProof · undated page, accessed November 12, 2026 · Tier A
  9. [9]CyberProof Technology Integrations | Seamless Security PlatformCyberProof · undated page, accessed November 12, 2026 · Tier A
  10. [10]CDC Reveal360CyberProof · undated page, accessed November 12, 2026 · Tier A
  11. [11]Solutions – CyberProofCyberProof · undated page, accessed November 12, 2026 · Tier A
  12. [12]Retail Cybersecurity: Challenges and SolutionsCyberProof · undated page, accessed November 12, 2026 · Tier A

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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