CISO Tribune

Vendor comparison · 2 companies

Kudelski Security vs Quorum Cyber

Kudelski Security sells customized programs that span managed security, advisory engagements, technology consulting and research and development of tailored solutions. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under 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.

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  • Kudelski Security
  • Quorum Cyber
Kudelski Security vs Quorum Cyber: Products, Customers and Funding Compared
Kudelski SecurityKudelski Security sells customized programs that span managed security, advisory engagements, technology consulting and research and development of tailored solutions.kudelskisecurity.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Managed Detection and Response[4][6]Kudelski Security provides risk-based threat detection and response for any environment, 24/7.
  • Penetration Testing[11]Kudelski Security ethical hackers exploit misconfigurations, chained weaknesses, and business logic flaws.
  • Red Team[5]Red Team operations mimic real adversaries.
  • Product Security[14]Kudelski Security's product security helps embed security into every stage of the product lifecycle.
  • 24/7 Incident Response Retainer[5][8]The retainer gives assured access to 24/7 incident response.
  • Virtual CISO[5]Virtual CISO services provide strategic leadership, risk reduction, and compliance guidance.
  • 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
Cheseaux-sur-Lausanne, Switzerland[3]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
From its own pages, Kudelski Security designs its ethical hacking services for CISOs, CTOs, and security teams. Kudelski Security says its advisory work is for CISOs who develop strategies that minimize exposure and strengthen cybersecurity postures. Its product security services address organizations that build connected devices, SaaS platforms, or enterprise applications. Its credential monitoring use case describes a regional financial services provider concerned with credential-based attacks.Not written yet
Last verified
November 9, 2026October 7, 2026

Where they overlap

  • Kudelski Security and Quorum Cyber are both filed under Security consulting and advisory.

Where they differ, field by field

  • Kudelski Security's primary category is Security consulting and advisory; Quorum Cyber's is MDR and managed SOC.
  • Kudelski Security is also filed under Managed security service providers. Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • Kudelski Security lists Managed Detection and Response, Penetration Testing, Red Team, Product Security, 24/7 Incident Response Retainer and 1 more. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Kudelski Security is headquartered in Cheseaux-sur-Lausanne, Switzerland. Quorum Cyber is headquartered in Edinburgh, United Kingdom.

What it sells: Kudelski Security

What Penetration Testing does[11]
Kudelski Security penetration testing assessments are conducted by OSCP-certified professionals. Kudelski Security penetration testing covers internal networks, web apps, mobile, APIs, and cloud services in one engagement.
What Red Team does[5]
Red Team operations reveal blind spots and test controls. Red Team operations assess the ability to detect and contain active intrusions.
What 24/7 Incident Response Retainer does[5][8]
The 24/7 Incident Response Retainer provides expert-led, SLA-backed support. The 24/7 Incident Response Retainer includes automated incident response capabilities.
What Virtual CISO does[5]
Virtual CISO services are meant to bridge security gaps. Virtual CISO services are tailored to the business of the customer.

Questions about Kudelski Security and Quorum Cyber

What do Kudelski Security and Quorum Cyber sell?
Kudelski Security sells Managed Detection and Response, Penetration Testing, Red Team, Product Security, 24/7 Incident Response Retainer and 1 more. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are Kudelski Security and Quorum Cyber in the same category?
They share Security consulting and advisory. Kudelski Security's primary category is Security consulting and advisory and Quorum Cyber's is MDR and managed SOC.
Where are Kudelski Security and Quorum Cyber headquartered?
Kudelski Security is headquartered in Cheseaux-sur-Lausanne, Switzerland. Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are Kudelski Security and Quorum Cyber sold to?
From its own pages, Kudelski Security designs its ethical hacking services for CISOs, CTOs, and security teams.
What have Kudelski Security 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 Kudelski Security

Kudelski Security sells customized programs that span managed security, advisory engagements, technology consulting and research and development of tailored solutions. Kudelski Security provides risk-based threat detection and response for any environment, 24/7. Kudelski Security says it helps CISOs develop strategies that minimize exposure and strengthen cybersecurity postures over time. Kudelski Security supports preparation for cyber attacks through its Advisory and MSS teams.[1]

Kudelski Security says contextualization and complete visibility are key to its Managed Detection and Response services. Kudelski Security MDR For CrowdStrike offers multi-signal MDR detection, investigation and response for the CrowdStrike Ecosystem. Kudelski Security offers MXDR for Microsoft, with multi-signal MXDR coverage for the Microsoft ecosystem. Kudelski Security integrates with Google SecOps. Proactive Threat Hunting is aimed at uncovering hidden adversary behaviors across the entire environment.

Kudelski Security's Credential Leak Monitoring continuously scans open, deep, and dark web sources to identify compromised corporate credentials.[9]

Kudelski Security provides expert-led cyber incident response services that combine containment, remediation, and digital forensic triage delivered by threat responders. Kudelski Security runs cybersecurity tabletop exercises that simulate real-world scenarios to identify gaps and validate incident response templates.

Kudelski Security evaluates business and cyber threats, designs risk programs and creates remediation strategies for identified vulnerabilities. Kudelski Security offers services to operationalize Continuous Threat Exposure Management (CTEM) to prioritize and remediate real-world risks across an entire attack surface. Kudelski Security's EASM platform delivers real-time visibility into internet-facing assets and automatically identifies exposures and vulnerabilities across a digital footprint. Kudelski Security offers vulnerability prioritization based on real-world threat context and asset criticality.[10]

Kudelski Security ethical hackers exploit misconfigurations, chained weaknesses, and business logic flaws to reveal risks that automated tools overlook. Kudelski Security penetration testing assessments are conducted by OSCP-certified professionals. Kudelski Security penetration testing covers internal networks, web apps, mobile, APIs, and cloud services in one engagement. Red Team operations mimic real adversaries to reveal blind spots, test controls, and assess the ability to detect and contain active intrusions. Purple Teaming blends attacker simulation with defender collaboration to close visibility gaps and tune detections.[11]

Kudelski Security offers a Maturity Assessment to identify gaps, prioritize investments, and align a security program with business goals. Kudelski Security offers an expert-led assessment to build a tailored Zero Trust roadmap. Kudelski Security offers Virtual CISO services that provide strategic leadership, risk reduction, and compliance guidance. Kudelski Security offers a solution to manage frameworks like ISO 27001, SOC 2, and NIST. Kudelski Security offers expert-led cloud assessments aligned to industry standards like CIS Benchmarks and NIST. Kudelski Security offers an expert-led solution to uncover, assess and mitigate vendor risk.

Kudelski Security offers end-to-end OT cybersecurity across industrial environments. Kudelski Security offers an assessment of cryptographic systems against quantum computing risks. Kudelski Security offers blockchain risk assessments that look for vulnerabilities across a blockchain ecosystem. Kudelski Security's product security helps embed security into every stage of the product lifecycle: design, development, deployment, and beyond.[1][2][9][10][11][12][13][14]

Kudelski Security on the record

Sources

Kudelski Security full record

  1. [1]About usKudelski Security · kudelskisecurity.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Kudelski security reinforces its presence in germany austria and switzerlandKudelski Security · kudelskisecurity.com · published June 11, 2018 · Tier A
  3. [3]Privacy noticeKudelski Security · kudelskisecurity.com · published January 2, 2026 · Tier A
  4. [4]Kudelski Security - Cybersecurity Programs Your Company NeedsKudelski Security · undated page, accessed October 26, 2026 · Tier A
  5. [5]Cybersecurity Programs Your Company Needs - Kudelski SecurityKudelski Security · undated page, accessed October 26, 2026 · Tier A
  6. [6]Detection and Response - Kudelski SecurityKudelski Security · undated page, accessed October 26, 2026 · Tier A
  7. [7]Threat Exposure Management - Kudelski SecurityKudelski Security · undated page, accessed October 26, 2026 · Tier A
  8. [8]Incident Response and Digital Forensics - Kudelski SecurityKudelski Security · undated page, accessed October 26, 2026 · Tier A
  9. [9]Continuous Credential Leak Monitoring - Kudelski SecurityKudelski Security · undated page, accessed November 10, 2026 · Tier A
  10. [10]External Attack Surface Management - Kudelski SecurityKudelski Security · undated page, accessed November 10, 2026 · Tier A
  11. [11]Pentesting - Kudelski SecurityKudelski Security · undated page, accessed November 10, 2026 · Tier A
  12. [12]Cyber-Physical Systems & OT Security Services - Kudelski SecurityKudelski Security · undated page, accessed November 10, 2026 · Tier A
  13. [13]AI & Emerging Technology Security - Kudelski SecurtiyKudelski Security · undated page, accessed November 10, 2026 · Tier A
  14. [14]Product Security - Kudelski SecurityKudelski Security · 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

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