Resilience
Without Compromise.

Trusted by some of the most admired brands and organisations, CyberOne is dedicated to securing mission-critical operations. Bringing together the best technologies and the brightest talent to deliver solutions tailored to your vision and growth objectives.

Since 2005, we have been at the forefront of cyber defence, providing comprehensive end-to-end cyber security services offering complete protection against an ever-evolving threat landscape. Let CyberOne strengthen your cyber resilience, so you can focus on delivering business success.

Securing Today. Safeguarding Tomorrow.

From cyber security reviews and assessments to our 24×7 SOC services, including MXDR, our Assure 365 managed security solution ensures that you can completely outsource your Microsoft Security to us—a single, proactive provider who is always ready to respond to threats and decisively tackle critical business challenges.

Our services are backed by the world’s leading standards bodies including NCSC, CREST and ISO as well as our key technology partners, whilst our experts are backed by industry-leading certifications, cementing our role as leaders in cyber security.

Introducing Assure 365 from CyberOne:
A Fully Managed Microsoft Security Service

Strengthen Your Organisation’s Cyber Resilience

Maximise your Microsoft investments with Assure 365, CyberOne’s Managed XDR Security Service that transforms technical protection into organisational resilience.

Leveraging actionable intelligence, we empower your business to:

  • Inform Strategy: Utilise data-driven insights to shape your cyber security approach.
  • Drive Innovation: Enable your team to focus on growth and new opportunities.
  • Demonstrate Clear ROI: Prove the value of your cyber security investments with measurable results.
Explore Assure 365 long-arrow Explore Assure 365Icon for long-arrow
Assure 365

Accreditations & Certifications

Our cyber security services are globally accredited, reflecting CyberOne’s dedication to industry-leading standards and certifications, giving you the peace of mind that your data is safeguarded by the highest security measures.

CREST Pen Testing, SOC & Cyber Incident Response Microsoft Modern Work Cyber Essentials Plus

The Road to Cyber Resilience

In an ever-evolving threat landscape, ensuring resilience is crucial for all businesses, CyberOne’s services are designed to build a secure foundation, enabling your business to thrive.

Cyber Incident Response

24×7 breach support, analysis, containment and remediation.

Learn More

Cloud Security Assessment

Safeguard your cloud infrastructure with a thorough review and audit.

Learn More

Penetration Testing

Identify opportunities to strengthen and eliminate vulnerabilities.

Learn More

Managed Detection & Response

Leverage Microsoft Security and our expertise to protect and strengthen your resilience.

Learn More

Bolster Your Defences

Stay one step ahead of evolving cyber threats with the latest assessment, detection and response technologies and tactics

Assess

Safeguard your organisation with proactive security tests and assessments. CyberOne leverage an attacker’s perspective with technical testing and strategic simulations to identify weaknesses and shore-up your security strategy.

Learn more long-arrow Learn moreIcon for long-arrow

Protect

Integrated security solutions to protect against current and future cyber threats. CyberOne eliminates the complexity of traditional approaches, empowering our clients to defeat attacks within their network – doing more with less.

Learn more long-arrow Learn moreIcon for long-arrow

Defend

Investigate, contain, and defeat cyber attacks while minimising impact and enabling effective recovery. CyberOne’s managed services and detection and response capabilities are designed to effectively counter the full spectrum of attacks, resolve incidents and support risk management.

Learn more long-arrow Learn moreIcon for long-arrow

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.

Get Started long-arrow Get StartedIcon for long-arrow
CyberOne Locations

Trusted By Leading UK & Global Businesses

Thai Union Logo Assist Security Group
Alysian Logo White

Why Alysian chose CyberOne

Jerone Walters

Senior Partner, Alysian

Alysian Customer Success

Latest 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