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- Cyber security services, dedicated to safeguarding organisations in today’s digital landscape. We help monitor and manage your organisation’s security infrastructure 24/7, so you can make sure all threats and issues are dealt with.
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Protect & Manage
- Our managed security services act as an extension of your organisation and provide a team of security professionals to monitor cyber threats, defend your critical digital assets and react to security issues in real time.
- Overview
- Managed SASE Services
- Managed Infrastructure Services
- Cyber Engineering
Detect & Respond
- We not only monitor for security breaches but also prepare for a breach and react swiftly if one occurs. By anticipating and simulating a range of scenarios, we ensure your digital systems are as resilient as possible.
- Overview
- Extended Detection & Response (XDR)
- Cyber Incident Response Services
- Compromise Assessments
Consultancy & Advisory
- Our professional cyber security consultation services help your organisation overcome its security challenges and advise on how best to enhance your security posture with a risk aligned approach.
- Overview
- Maturity and Transformation
- Compliance
- vCISO
- Penetration Testing & Attack Simulation
- Data Privacy & Protection

Who We Are
- Since 2003 we’ve been at the forefront of delivering robust cyber security solutions to businesses across the UK. We provide dependable and advanced security measures to safeguard your business in the ever-evolving digital landscape.
- About Us
- Partners
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Resources
- Find the latest news, events, thought leadership articles, downloads and case studies from across the cyber security industry, all written by our experienced team of experts at Reliance Cyber.
- Case Studies
- Research & Thought Leadership
- News & Events
- Technical Blogs
- Resource Hub

Contact us
- We’re always happy to answer your questions and set you on the path to better security. Plus, you can also sign up for a free 30 minute cyber security consultation.
Emergencies
- Are you experiencing a cyber security breach? Get our emergency phone number and find out how we can help you.

World-leading cyber security expertise since 2003

XDR

NCSC Certifies Reliance Cyber to Help UK Organisations Strengthen Cyber Crisis Readiness.

Reliance Cyber has been formally recognised as the first UK-based partner to be listed under Google Cloud’s new Managed Security Services Provider (MSSP) programme, following successful completion of a rigorous capability assessment.

Storm

Reliance cyber and DELT case study booklet

Reliance cyber and DELT: Next-level cyber security for NHS, GPs and local government

Discover how our collaboration with Delt transformed the security posture of vital public sector institutions, significantly reducing their exposure to cyber risks.

Reliance Cyber and Google Cloud Security unite to transform cybersecurity for UK businesses

Reliance Cyber partners with Google Cloud Security to enhance cybersecurity solutions for UK businesses. This strategic alliance leverages advanced technology to simplify security, reduce costs, and provide critical data-driven insights, making sophisticated security accessible to all organisations.

Google and Reliance Cyber’s vision for the future

Reliance Cyber forms a strategic alliance with Google. This collaboration marks Reliance Cyber’s selection to as one of only a handful of Google’s MSSP partners, promising to revolutionise the cyber-security landscape with cutting-edge, data-driven security solutions.

woman smiling whilst holding a digital tablet

Maintel partners with leading Cyber Security Services Provider Reliance Cyber to enhance their security offering

London, UK, March 2023: Maintel, the cloud and managed services company, has announced a new…

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