Stopping Cyber Threats.
Before They Stop You.

Elite Managed Detection and Response services with a mission focus—preventing breaches, mitigating risks and defending your most critical assets. No exceptions. No compromise.

Real-Time Defence. Real World Results

Our industry-leading performance is back by a guaranteed SLA – because we don’t just promise results, we deliver them. Giving you total confidence in the security we provide.

Mean Time to Detect

Our advanced systems identify threats before they become breaches.
57 min.

Mean Time to Respond

We contain and neutralise threats with unmatched speed.
5 min.

Mean Time to Triage

Our team rapidly analyses, escalates and prioritises threats for direct action.
31 min.

Proactive Protection | Rapid Detection | Effective Response.
There you need us most.

Compromise. Ends Here.

Delivering measurable cyber resilience and proven protection through proactive threat detection, rapid response and continuous risk reduction—strengthening your security posture.

With 24×7 global SOC coverage, industry-recognised accreditations from NCSC and CREST and guaranteed SLAs, we combine Microsoft Security with world-class Consulting and Managed Services to safeguard your business from cyber threats, ensure regulatory compliance and empower you to thrive.

Certified by Leading Accreditation & Awarding Bodies

CyberOne meets the highest cyber security industry standards for uncompromising expertise and unrivalled credibility.

NCSC CIR Crest Accreditation ISO 27001 Certification

Powered by Microsoft. Realised by Experts.

Unlock the full power of Microsoft security, CyberOne’s expertise ensures you maximise value while minimising risk.

Trusted By Leading UK & Global Businesses

ThaiUnion Direct Line Money Super Market Assist Security Group N BROWN GROUP Royal Warrant Center Parcs RICS Elcoin Alysian H&T Pawnbrokers Forth Ports Hodge Eden Futures British Car Auctions Cygnet Healthcare

Consulting & Professional Services

Strategic Security. Expertly-Led By CyberOne.

Consulting and Professional Services that align cyber resilience with your business objectives.

Assure 365: Managed Microsoft Security Services

Maximise your Microsoft investments

More than just a cyber security solution, Assure 365 is built on a flexible, modular foundation. Choose the services that address your challenges, with each module seamlessly integrating to deliver comprehensive protection and operational efficiency.

Assure 365: Managed Microsoft Security Services

UK Credibility.
Global Capability.

With clients in every corner of the world, CyberOne’s team possesses the ability to navigate and deliver in diverse markets, all while upholding the UK’s renowned cyber security standards.

More About CyberOne long-arrow More About CyberOneIcon for long-arrow
CyberOne Client Locations
Alysian Logo White

Why Alysian chose CyberOne

Jerone Walters

Senior Partner, Alysian

Alysian Customer Success

Latest Cyber Security Insights

Keep up-to-date with the latest cyber security news and views from the CyberOne team.

Discuss Your Cyber Security Needs…

Learn more about how our award-winning cyber security services could benefit your business

Get in touch long-arrow Get in touchIcon for long-arrow