CISO Tribune

Vendor comparison · 2 companies

Orange Cyberdefense vs Quorum Cyber

Orange Cyberdefense, an Orange Group company, sells cyber security services and solutions. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under MDR and managed SOC and Security consulting and advisory. 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.

  • Orange Cyberdefense
  • Quorum Cyber
Orange Cyberdefense vs Quorum Cyber: Products, Customers and Funding Compared
Orange CyberdefenseOrange Cyberdefense, an Orange Group company, sells cyber security services and solutions.orangecyberdefense.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Orange Cyberdefense Managed Security ServicesManaged security, threat detection and response services delivered to organizations globally.
  • Orange Cyberdefense Threat Intelligence and ResearchIn-house threat intelligence and research, including a CERT, that produces white papers, articles and tools.
  • 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
Paris, France[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: 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
On our reading, Orange Cyberdefense application security consultants work with development teams, architects and business stakeholders. Orange Cyberdefense serves its customers through an international presence with local teams. Orange Cyberdefense expertise extends to individuals and non-profit organisations.Not written yet
Last verified
September 27, 2026October 7, 2026

Where they overlap

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

Where they differ, field by field

  • Orange Cyberdefense's primary category is Managed security service providers; Quorum Cyber's is MDR and managed SOC.
  • Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • Orange Cyberdefense lists Orange Cyberdefense Managed Security Services and Orange Cyberdefense Threat Intelligence and Research. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Orange Cyberdefense is headquartered in Paris, France. Quorum Cyber is headquartered in Edinburgh, United Kingdom.

Questions about Orange Cyberdefense and Quorum Cyber

What do Orange Cyberdefense and Quorum Cyber sell?
Orange Cyberdefense sells Orange Cyberdefense Managed Security Services and Orange Cyberdefense Threat Intelligence and Research. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are Orange Cyberdefense and Quorum Cyber in the same category?
They share MDR and managed SOC and Security consulting and advisory. Orange Cyberdefense's primary category is Managed security service providers and Quorum Cyber's is MDR and managed SOC.
Where are Orange Cyberdefense and Quorum Cyber headquartered?
Orange Cyberdefense is headquartered in Paris, France. Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are Orange Cyberdefense and Quorum Cyber sold to?
On our reading, Orange Cyberdefense application security consultants work with development teams, architects and business stakeholders.
What have Orange Cyberdefense 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 Orange Cyberdefense

Orange Cyberdefense, an Orange Group company, sells cyber security services and solutions. Orange Cyberdefense is a European cybersecurity services provider whose work covers cyber threats across their entire lifecycle. Orange Cyberdefense states 25 years of experience in the field of global information security. Orange Cyberdefense works on the design, implementation and support of security solutions and services.[1][3][4][5]

Orange Cyberdefense offers its customers services across a range of areas, from technical solutions to services such as governance and management of information security, risk modelling and risk analysis. Orange Cyberdefense provides products and services for organisations in over 160 countries. Orange Cyberdefense has an international presence with local teams that assist its customers. Orange Cyberdefense protects organisations and people from cyber threats.[4][5][6]

Orange Cyberdefense consultants help organisations integrate security throughout the Secure Software Development Lifecycle (SSDLC) in alignment with governance, risk and compliance frameworks such as NIS2, DORA, ISO/IEC 27001 and OWASP ASVS. Orange Cyberdefense consultants lead Application Security Assessments and Secure Architecture Reviews. Orange Cyberdefense consultants assess applications against OWASP ASVS and other recognised standards. Orange Cyberdefense consultants facilitate Threat Modelling and Architectural Risk Assessments. Orange Cyberdefense consultants define and review secure coding standards and security requirements. Orange Cyberdefense consultants advise development teams, architects and business stakeholders on secure design. Orange Cyberdefense consultants support the implementation and continuous improvement of SSDLC and DevSecOps practices. Orange Cyberdefense consultants contribute to application security governance, policies and roadmaps. Orange Cyberdefense consultants deliver governance and compliance recommendations aligned with NIS2, DORA and ISO/IEC 27001. Orange Cyberdefense consultants translate technical risks into business-oriented recommendations.[7]

Orange Cyberdefense analysts are responsible for the detection, investigation and defense against cyber-attacks. Orange Cyberdefense analysts triage and investigate alarms generated by SIEM tools, endpoint protection tools and network anomaly detection tools. Orange Cyberdefense analysts undertake threat hunting investigations and campaigns. Orange Cyberdefense analysts detect anomalies and attack patterns along the entire cyber-kill chain as described by MITRE ATT&CK. Orange Cyberdefense analysts escalate relevant threats to customers and give advice based on those threats. Orange Cyberdefense supports its customers during a security incident. Orange Cyberdefense analysts identify improvements and detection methods to optimise detections. Orange Cyberdefense analysts manage onboarding projects for new clients. Orange Cyberdefense analysts report monthly on the status of customer environments.[5]

Orange Cyberdefense works to ensure that the services and offerings it provides to customers meet regulatory requirements, ISO certifications and SOC 2 requirements. Orange Cyberdefense operational teams define and maintain Generic Security Assurance Plans and certifications for its cybersecurity products and services. Orange Cyberdefense maintains routines for handling customer audits of its commitments on information security and personal data protection. Orange Cyberdefense legal, sales and presales teams answer contractual requirements from customers on information security and personal data protection, such as contract clauses, questionnaires and security assurance plans.[6]

Orange Cyberdefense has 3,200 experts who support more than 50,000 customers, from SMEs to large organisations. Orange Cyberdefense has offices in Brussels, Antwerp, Ghent and Rotselaar. Orange Cyberdefense expertise helps protect individuals, support non-profit organisations and raise awareness of cyber risks. Through its MicroSOC, Orange Cyberdefense is giving two French non-profit organisations three years of protection free of charge. An educational resource from Orange Cyberdefense helps children and teenagers understand cyber risks.[1][3][4][5]

Orange Cyberdefense on the record

Sources

Orange Cyberdefense full record

  1. [1]Orange Cyberdefense - About UsOrange Cyberdefense · undated page, accessed September 27, 2026 · Tier A
  2. [2]Orange cyberdefense inaugurates its new headquarters at la defenseOrange Business (Orange Group) · orange-business.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Build a safer digital society.Orange Cyberdefense · undated page, accessed October 27, 2026 · Tier A
  4. [4]Orange Cyberdefense Jobs - Orange CyberdefenseOrange Cyberdefense · undated page, accessed October 27, 2026 · Tier A
  5. [5]Cyber Security Analyst - Orange CyberdefenseOrange Cyberdefense · undated page, accessed November 10, 2026 · Tier A
  6. [6]Business Security & Data Privacy Officer - Orange CyberdefenseOrange Cyberdefense · undated page, accessed November 10, 2026 · Tier A
  7. [7]Senior Business Consultant - Cybersecurity - Orange CyberdefenseOrange Cyberdefense · undated page, accessed November 10, 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

Spot a factual error? Request a correction.