CISO Tribune

Vendor comparison · 2 companies

Inversion6 vs Quorum Cyber

Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under MDR and managed SOC, Security consulting and advisory and Incident response and forensics. 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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Up to four companies side by side.

  • Inversion6
  • Quorum Cyber
Inversion6 vs Quorum Cyber: Products, Customers and Funding Compared
Inversion6Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering.inversion6.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • Autonomous Penetration Testing[2]Continuous, automated testing to identify and remediate weaknesses.
  • 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
Not written yetNot written yet
Last verified
November 2, 2026October 7, 2026

Where they overlap

  • MDR and managed SOC is the primary category of both Inversion6 and Quorum Cyber; both are also filed under Security consulting and advisory and Incident response and forensics.

Where they differ, field by field

  • Inversion6 is also filed under Penetration testing and red team services. Quorum Cyber is also filed under OT and ICS security.
  • Inversion6 lists Autonomous Penetration Testing. 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 Inversion6 and Quorum Cyber under MDR and managed SOC as the primary category, and both also appear under security consulting and advisory and incident response and forensics. Inversion6 is also filed under penetration testing and red team services, while Quorum Cyber is also filed under OT and ICS security. Inversion6 offers a US-based Security Operations Center staffed 24x7x365, fractional CISO services, and Autonomous Penetration Testing. Inversion6 states that it does not push proprietary solutions and selects technology partners to fit client priorities. Quorum Cyber sells a Clarity family of services: Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI and Clarity OT, plus Incident Response Services that include retainer agreements. Quorum Cyber describes its services as Microsoft-first and is a Microsoft Solutions Partner for Security.

Quorum Cyber is headquartered in Edinburgh, United Kingdom, and has over 350 employees across the UK, US, Canada and UAE. Inversion6 is the dedicated cybersecurity division of TRG, and it serves TRG's global customer base in the endpoint mobility space. Inversion6 describes its advisors as serving small businesses and large enterprises, and says its Security Operations Center professionals are based in the US and EU. 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. Quorum Cyber was founded in Edinburgh in 2016 and made two acquisitions in 2024.

Questions about Inversion6 and Quorum Cyber

What do Inversion6 and Quorum Cyber sell?
Inversion6 sells Autonomous Penetration Testing. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are Inversion6 and Quorum Cyber in the same category?
Yes. MDR and managed SOC is the primary category of both on CISO Tribune.
Where are Inversion6 and Quorum Cyber headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
What have Inversion6 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 Inversion6

Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering. Inversion6 is a cybersecurity solutions provider that uses senior-level experts. Inversion6 is the dedicated cybersecurity division of TRG. Inversion6 provides cybersecurity services to the global customer base of TRG in the endpoint mobility space. TRG optimizes and manages endpoints such as laptops, smartphones and tablets. Inversion6 says it services clients all over the world.[3][4]

Inversion6 offers a suite of managed solutions from a US-based Security Operations Center staffed 24x7x365 by a team of experienced analysts. Inversion6 describes the professionals in its 24x7x365 Security Operations Center as based in the US and EU. Inversion6 offers CISO services so that clients do not have to add headcount to their teams. Inversion6 offers technology solutions in which its experts work alongside a client's team to identify, investigate and implement technology solutions. Inversion6 selects technology partners to fit the cybersecurity priorities of its clients. Inversion6 states that it does not push proprietary solutions.[1][3][4]

Inversion6 offers managed protection from ransomware, malware and other endpoint-driven attacks. Inversion6 offers Managed EDR services that extend protection to cover smartphones, tablets and devices using mobile operating systems. Inversion6 offers continuous, automated testing to identify and remediate weaknesses before attackers exploit them. Inversion6 offers ongoing employee training, phishing simulations and behavior analytics to build a culture of security. Inversion6 offers proactive intelligence on dark web traffic and provides alerts whenever sensitive data is exposed or traded online. Inversion6 offers automated, ongoing updates for operating systems and applications. Inversion6 describes its Cyber Security-as-a-Service (CSaaS) offerings as designed to shield organizations from evolving cyber risks.[6]

Inversion6 fractional CISOs provide insights into where priorities, efforts and investments should be directed. Inversion6 states that hiring and retaining a Chief Information Security Officer (CISO) is a significant investment not all businesses can afford. Inversion6 offers risk assessments designed to meet regulatory requirements and to kick off an ongoing risk management program. Inversion6 assists with regulations including CMMC, SOC2, PCI, HIPAA, ISO 27001, NIST, NYCRR and the FTC safeguards. Inversion6 conducts workshops to review Office 365 and Azure security settings against the CIS benchmarks and Microsoft's recommended security defaults. Inversion6 provides a strategic and tactical view of security posture for two SaaS applications. Inversion6 delivers a report on potential improvements to the IR process. Inversion6 assesses the security of IT assets being acquired. Inversion6 helps companies comply with ongoing FTC security guidelines.[7]

Inversion6 offers an outsourced cybersecurity program designed to take all cybersecurity efforts off the client's hands. Inversion6 offers 24/7/365 continuous monitoring, threat detection and rapid response. Inversion6 conducts regular penetration testing throughout the year to evaluate technical defenses. Inversion6 ensures the routine patching and maintenance of client systems. Inversion6 administers, maintains, engineers and oversees the security tools used in the program. Inversion6 provides resources and insights to conduct cybersecurity training. Inversion6 experts step in when cybersecurity incidents strike to help mitigate the threat and recover.[3][9]

Inversion6 describes its advisors as serving small businesses and large enterprises. Inversion6 addresses rapidly growing startups whose customers are starting to ask questions about security and compliance.[1][3][4][6][9]

Inversion6 on the record

Sources

Inversion6 full record

  1. [1]inversion6.comInversion6 · inversion6.com · undated page, accessed September 30, 2026 · Tier A
  2. [2]Inversion6 Launches Advanced SOC and MDR Platform for Scalable CybersecurityInversion6 · published November 3, 2025 · Tier A
  3. [3]About Inversion6 | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  4. [4]Eliminate Reactive | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  5. [5]Managed Cybersecurity Solutions | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  6. [6]Cyber Security Services | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cybersecurity Vision | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  8. [8]CISO Solutions | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
  9. [9]Outsourced Cybersecurity | Inversion6Inversion6 · 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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