CISO Tribune

Vendor comparison · 2 companies

Quorum Cyber vs Trustwave

Quorum Cyber delivers Microsoft-first, threat-led cyber security services. Trustwave describes itself as a pure-play MSSP that combines expertise with AI. 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.

Change the companies

Up to four companies side by side.

  • Quorum Cyber
  • Trustwave
Quorum Cyber vs Trustwave: Products, Customers and Funding Compared
Quorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.comTrustwaveTrustwave describes itself as a pure-play MSSP that combines expertise with AI.trustwave.com
What it sells
  • 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.
  • LevelBlue SpiderLabs[3][4]LevelBlue SpiderLabs is a global team of security consultants, threat hunters, incident responders, forensic investigators and researchers.
Categories
Headquarters
Edinburgh, United Kingdom[1]Not stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesOwned by LevelBlue since 2025[1][5]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • September 16, 2026Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.[12]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[5]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, the company sells managed security services to organisations running hybrid environments, with services for cloud assets, policy enforcement and operations. The company's specialists tailor a security program to the needs of each client organisation. The company serves organisations that need breach response, forensic investigation and incident reporting. The company serves organisations seeking to find, prioritise and minimise their vulnerabilities.
Last verified
October 7, 2026November 2, 2026

Where they overlap

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

Where they differ, field by field

  • Quorum Cyber is also filed under Incident response and forensics, Security consulting and advisory and OT and ICS security. Trustwave is also filed under Managed security service providers.
  • Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more. Trustwave lists LevelBlue SpiderLabs.
  • Quorum Cyber is headquartered in Edinburgh, United Kingdom.
  • Trustwave is owned by LevelBlue, since 2025.

How they differ

CISO Tribune files Quorum Cyber under MDR and managed SOC, Incident response and forensics, Security consulting and advisory, and OT and ICS security, with MDR and managed SOC as its primary category. CISO Tribune files Trustwave under MDR and managed SOC and Managed security service providers, with MDR and managed SOC as its primary category. Quorum Cyber sells incident response services that include preparedness, retainer agreements and emergency MDR, while Trustwave offers breach response with 24/7 global support, forensic investigation and incident reporting.

Quorum Cyber sells its Clarity services, including Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI and Clarity OT, and it describes its approach as Microsoft-first. Quorum Cyber is a Microsoft Solutions Partner for Security and works with Microsoft 365 Defender and Microsoft Sentinel. Trustwave describes itself as a pure-play MSSP that combines expertise with AI, and it offers services for cloud assets, policy enforcement and operations across hybrid environments. Trustwave also sells LevelBlue SpiderLabs, a global team of 1k+ security consultants, threat hunters, incident responders, forensic investigators and researchers.

Quorum Cyber is headquartered in Edinburgh, United Kingdom, and has over 350 employees across the UK, US, Canada and UAE. Quorum Cyber states that it protects 400+ organisations across four continents. On September 16, 2026, Quorum Cyber announced a definitive agreement to acquire Ontinue, a managed extended detection and response provider. Trustwave has been owned by LevelBlue since 2025.

Questions about Quorum Cyber and Trustwave

What do Quorum Cyber and Trustwave sell?
Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more. Trustwave sells LevelBlue SpiderLabs.
Are Quorum Cyber and Trustwave in the same category?
Yes. MDR and managed SOC is the primary category of both on CISO Tribune.
Where are Quorum Cyber and Trustwave headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who owns Quorum Cyber and Trustwave?
Trustwave is owned by LevelBlue, since 2025.
Who are Quorum Cyber and Trustwave sold to?
From its own pages, the company sells managed security services to organisations running hybrid environments, with services for cloud assets, policy enforcement and operations.
What have Quorum Cyber and Trustwave 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 Quorum Cyber

Quorum Cyber delivers Microsoft-first, threat-led cyber security services. Quorum Cyber was founded in Edinburgh in 2016. Federico Charosky founded Quorum Cyber. Quorum Cyber is a Microsoft Solutions Partner for Security and works with the Microsoft Security stack, including Microsoft 365 Defender and Microsoft Sentinel.

Quorum Cyber says AI changes how organisations work and how attackers operate. Quorum Cyber helps security teams protect data, manage emerging risks and enable secure adoption.

Clarity is more than the name of Quorum Cyber's customer platform and managed security services. Quorum Cyber unifies Microsoft 365 Defender and Microsoft Sentinel in Clarity, turning raw signals into prioritised incidents. Quorum Cyber offers three managed detection and response services, plus a dedicated data security service.[6]

Quorum Cyber's Cyber Resilience Assessment evaluates how well an organisation can manage cyber disruption. Quorum Cyber's Security Maturity Assessment looks at the effectiveness of a wider security programme, including governance, controls and risk management.[7]

Quorum Cyber has an Incident Response team that helps organisations investigate and manage cyber incidents. Quorum Cyber's Security Operations Centre works to detect and respond to customer threats. Quorum Cyber offers an incident response retainer that customers can initiate. Quorum Cyber offers Managed XDR, which integrates with Microsoft Security Technology. Quorum Cyber works with the generative AI capabilities of Copilot for Security to help defend customers against cyber threats. Quorum Cyber has a Threat Intelligence team. Following two acquisitions in 2024, Quorum Cyber's services range from phishing simulation and managed services to incident response and ransom negotiation.[7][8][9][10]

Quorum Cyber states that it protects 400+ organisations across four continents. Quorum Cyber has over 350 employees across the UK, US, Canada and UAE. Quorum Cyber is also a member of the Microsoft Intelligent Security Association and a Microsoft Security Copilot Partner.[6][7][11]

Quorum Cyber on the record

Sources

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

Trustwave full record

  1. [1]Levelblue completes acquisition of trustwave to form the worlds largest managed security services providerLevelBlue · levelblue.com · published August 19, 2025 · Tier A
  2. [2]trustwave.comLevelBlue (Trustwave's website now redirects here) · trustwave.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]SpiderlabsLevelBlue · levelblue.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]Secure What's Next | LevelBlueLevelBlue · undated page, accessed October 29, 2026 · Tier A
  5. [5]Trustwave Services Reviews & Provider DetailsG2 · undated page, accessed October 29, 2026 · Tier C

Spot a factual error? Request a correction.