Gain a clear view of your cyber maturity with a structured assessment. Benchmark against best practice, prioritise improvements and build a roadmap that strengthens resilience and supports business goals.
Certified by Leading Accreditation & Awarding Bodies
CyberOne meets the highest cyber security industry standards for uncompromising expertise and unrivalled credibility.
Powered By Microsoft. Realised By CyberOne.
We combine best-in-class platforms like Microsoft with expert-led service delivery, turning advanced technology into measurable protection, seamless performance and real-world resilience.
Consulting & Professional Services
Strategic Security. Expertly-Led By CyberOne.
Consulting and Professional Services that align cyber resilience with your business objectives.
Microsoft 365 Security Review
A comprehensive evaluation of your Microsoft 365 environment to identify vulnerabilities, optimise security configurations, and align with best practices to enhance your overall cyber resilience.
Microsoft Secure Score Rapid Remediation
Achieve rapid risk reduction and guaranteed security outcomes with clear improvements to your Secure Score. Strengthen your security posture and build long-term resilience through proactive updates and continuous monitoring.
Penetration Testing
Simulate real-world attacks to identify vulnerabilities and assess your security defences. Gain actionable insights and remediation strategies to strengthen your systems and protect against advanced threats.
Cloud Security Assessment
Gain a clear understanding of your cloud security posture with a detailed assessment. Identify risks, address vulnerabilities and build a roadmap to enhance resilience against cyber threats.
Cyber Incident Tabletop Exercising
Prepare your team for real-world incidents with guided simulation exercises that test and improve your response capabilities.
Assure 365: Managed 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.
Incident Response
Ensuring that your response to incidents is not just quick, but tailored to mitigate risks and reinforce resilience for the long-haul.

Identity as a Service
Cyber resilience starts with identity and access management – secure access, reduce risk and enhance compliance.

EndPoint as a Service
Secure and manage corporate and BYOD devices and applications while ensuring compliance, enforcing security policies and streamlining management across your organisation.
XDR as a Service
Extended detection and response across endpoints, identities, email and apps. Gain unified visibility, automate responses and neutralise risks before they impact your business.

Data Security as a Service
Protect information and enforce data loss prevention policies across your organisation. Optimise security and governance to ensure Microsoft 365 Copilot readiness, prevent leaks and maintain control.
What Our Customers Say...
Our 4.53 / 5 satisfaction score reflects the trust our customers place in us to advance their cyber maturity.
"We are kept up to date with our monthly customer success meetings, where both sides have an equal opportunity to voice any thoughts, feelings, concerns or praise, which provides not only great assurance, but allows us to work collaboratively to protect our business."
"Besides the amazing SOC delivering the MXDR I have to mention how good the monthly service review meetings and how engaging our Account Manager is. Keep up the good work!"
"CyberOne services are stable and reliable, with quick responses to enquiries and incidents. The team stays up-to-date with threats and follows industry best practices. Thank you all for your hard work!"
“The account management and overall working relationship have been excellent, with responsive support and clear communication throughout, making CyberOne a valued and reliable partner."
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.

Industries We Specialise In
CyberOne works with clients in industries where security, compliance and resilience are mission-critical. With deep expertise and Microsoft Security at the core, we help organisations reduce risk, achieve compliance and build lasting confidence.
Why Alysian chose CyberOne
Jerone Walters
Senior Partner, Alysian

Trusted By Leading UK & Global Businesses




Latest Cyber Security Insights
Keep up-to-date with the latest cyber security news and views from the CyberOne team.
Free 30 Minute Cyber Consultation With a CyberOne Expert
Are you facing specific cyber security challenges or have questions about strengthening your organisation’s security posture? Book a complimentary 30-minute 1:1 session with one of our CyberOne experts.
