CyberOne

CyberOne

CyberOne Limited

London, England, United Kingdom

Managed SecurityDetection & ResponseIncident ResponsePenetration Testing24/7 SOC
Founded 2005
Profile last updated: August 2, 2026

About

Founded in 2005, CyberOne is a cybersecurity company based in London, United Kingdom working in managed security, detection & response, incident response +9 more.

CyberOne is a UK-based managed security provider founded in 2005 and formerly known as Comtact. It began as a 24x7 network operations provider and has evolved into a Microsoft-focused cyber security company. Its services span consulting, professional services and managed security, including managed extended detection and response (MXDR), SOC services, cyber incident response, penetration testing, red teaming, identity and access management, data security, endpoint protection and security awareness training. CyberOne delivers its managed services through a 24x7x365 global security and network operations centre. The company works with clients in finance, healthcare, manufacturing, professional services, retail and technology, and holds CREST, NCSC and ISO 27001 credentials along with Microsoft Security Elite Partner and Microsoft Solutions Partner status.

Location

London, United Kingdom

Founded

2005

Company type

Limited company

Legal name

CyberOne Limited

Registration

05585059

VAT number

881278202

Focus areas

MXDRManaged SOCMicrosoft SecurityIncident ResponsePenetration TestingCRESTNCSC Assured

Languages

EN

Services & products

Security domains

Managed SecurityDetection & ResponseIncident ResponsePenetration TestingOffensive SecurityIdentity & AccessEndpoint SecurityNetwork SecurityCloud SecurityData ProtectionGRC & ComplianceSecurity Awareness

How they deliver

Managed ServicesProfessional ServicesConsultingTraining

Operations

Runs a 24/7 security operations centre

Products

Assure365

Managed security services

Modular managed security service combining selectable managed security modules, including SOC automation.

Jerico Security Portal

Security portal

Client-facing security portal launched by CyberOne.

Hyperion, Nyx and Athena

SOC automation

SOC automation modules launched by CyberOne.

Hermes, Pythia, Themis and Ares

AI tools

AI tools launched by CyberOne.

Industries served

Finance, Banking & InsuranceHealthcare & Life SciencesManufacturing & IndustrialBusiness & Professional ServicesRetail & Consumer ServicesIT, Software & Technology

Compliance & partners

Compliance frameworks

Cyber Essentials PlusNCSC Maturity Model

Technology partners

MicrosoftZscalerLogRhythm

Credentials & affiliations

Certifications

CREST accreditation (SOC, Penetration Testing, Cyber Incident Response, Cyber Incident Exercising)

Issued by: CREST

NCSC Assured Service Provider (Cyber Incident Response, Cyber Incident Exercising)

Issued by: National Cyber Security Centre

ISO 27001

Microsoft Security Elite Partner

Issued by: Microsoft

Microsoft Solutions Partner (Security, Modern Work, Infrastructure, Data & AI)

Issued by: Microsoft

Microsoft Verified Managed XDR Solution

Issued by: Microsoft

Awards

Managed Security Provider of the Year

Computing

Sunday Times Tech Track 100

The Sunday Times

Industry memberships

Microsoft Intelligent Security Association

People

Management & team (12)

+ 8 more

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