CISO Tribune

Vendor comparison · 2 companies

Quorum Cyber vs UST

Quorum Cyber delivers Microsoft-first, threat-led cyber security services. UST sells technology solutions for the enterprise. 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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Up to four companies side by side.

  • Quorum Cyber
  • UST
Quorum Cyber vs UST: Products, Customers and Funding Compared
Quorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.comUSTUST sells technology solutions for the enterprise.ust.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.
  • Use Case Factory[5]A library of use cases and playbooks that CyberProof maps to the MITRE ATT&CK framework.
  • Innovation Assurance[4]A UST methodology for building digital products for the EV industry with security at its core.
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 pagesNot stated on its pages
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]
  • September 7, 2026UST has completed the acquisition of a majority stake in Italdesign from the Audi Group.[11]
  • May 5, 2026UST has acquired Taciti Consulting, a boutique SAP Silver Partner focused on large-scale ERP transformation projects.[12]
  • April 14, 2026UST has launched UST Nimbus together with advisory firm Evaaya, a design-led operating model for Global Capability Centers.[10]
  • April 7, 2026UST has acquired Intecrowd LLC, a Workday Partner focused on deployments and lifecycle support for Workday solutions.[8]
  • March 23, 2026CyberProof, a UST company, announced the availability of CyberProof Defense Center Reveal360, a centralized visibility hub for security posture and service performance.[13]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[3]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, UST sells mainly to enterprises, with named work in the automotive industry, financial services and consumer products. For automotive buyers, UST offers solutions covering EV technology, digital engineering and cloud solutions. CyberProof works with customers' security teams, acting as an extension of the team and aligning response windows to the customer's acceptable level of risk. UST also provides managed IT services to consumer products companies and observability work to financial services companies.
Last verified
October 7, 2026October 14, 2026

Where they overlap

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

Where they differ, field by field

  • Quorum Cyber's primary category is MDR and managed SOC; UST's is Managed security service providers.
  • Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more. UST lists Use Case Factory and Innovation Assurance.
  • Quorum Cyber is headquartered in Edinburgh, United Kingdom.

What it sells: UST

What Use Case Factory does[5]
CyberProof maps its library of use cases and playbooks, called a Use Case Factory, to the MITRE ATT&CK framework. The aim is to continuously reduce detection gaps and automate responses to threats. Each use case includes the attack's source, Kill Chain correlation, log source types, risk level, an explanation of the threat, and a remediation and mitigation playbook.

Questions about Quorum Cyber and UST

What do Quorum Cyber and UST sell?
Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more. UST sells Use Case Factory and Innovation Assurance.
Are Quorum Cyber and UST in the same category?
They share Security consulting and advisory. Quorum Cyber's primary category is MDR and managed SOC and UST's is Managed security service providers.
Where are Quorum Cyber and UST headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are Quorum Cyber and UST sold to?
From its own pages, UST sells mainly to enterprises, with named work in the automotive industry, financial services and consumer products.
What have Quorum Cyber and UST 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. September 7, 2026: UST has completed the acquisition of a majority stake in Italdesign from the Audi Group.

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

UST full record

  1. [1]Managed security servicesUST · ust.com · undated page, accessed October 14, 2026 · Tier A
  2. [2]Digital Transformation Solutions Company | USTUST · undated page, accessed November 2, 2026 · Tier A
  3. [3]UST Global Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed November 2, 2026 · Tier C
  4. [4]Automotive Industry IT Solutions and Services | USTUST · undated page, accessed November 4, 2026 · Tier A
  5. [5]Creating a Smarter Security Operations Center with the MITRE ATT&CKCyberProof (UST) · undated page, accessed November 4, 2026 · Tier A
  6. [6]Consumer Products IT Support | Managed Services Case StudyUST · undated page, accessed November 4, 2026 · Tier A
  7. [7]Observability Platform Reduces Alert Fatigue by 60% | UST Case StudyUST · undated page, accessed November 4, 2026 · Tier A
  8. [8]UST Acquires Award-Winning Workday Partner IntecrowdUST · published April 7, 2026 · Tier A
  9. [9]UST Expands Fintech Capabilities with Tailwind AcquisitionUST · published January 19, 2026 · Tier A
  10. [10]UST Launches UST Nimbus to Transform GCCs with Advisory-Led, Design-Driven CapabilitiesUST · published April 14, 2026 · Tier A
  11. [11]UST and Italdesign Unite Design, Engineering, and AI to Shape the Future of MobilityUST · published September 7, 2026 · Tier A
  12. [12]UST Increases SAP Transformation Portfolio with Acquisition of TacitiBusiness Wire · published May 5, 2026 · Tier A
  13. [13]CyberProof Unveils Reveal360 Hub for Security and Business OutcomesUST · published March 23, 2026 · Tier A

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