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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 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
- Join Us
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

General News

Former Paolo Alto VP James Lee Joins Reliance Cyber as CRO to Scale Revenue and Client Engagement

LONDON, 5th March, 2025 Reliance Cyber, a leading provider of cyber security services , today…

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Reliance Cyber appoints new CTO to drive innovation and support expansion

Lawrence Munro joins as CTO, ready to spearhead innovation and growth with his extensive cybersecurity expertise. Learn how he plans to transform the landscape at a leading MSSP.

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Reliance Cyber, Delt Shared Services, and South West Cyber Resilience Centre host cybersecurity summit for Public Sector organisations.

Reliance Cyber, Delt Shared Services, and South West Cyber Resilience Centre host cybersecurity summit for Public Sector 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.

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Security is not a tool: the case against security tooling

Dive into the debate on cyber security tools versus processes. Discover why relying solely on technology might not be the solution and how a balanced approach can lead to more effective security strategies

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Lessons on detection and incident response from the field

Dive into the evolving world of cybersecurity, uncovering how the adoption of log analysis tools and advancements in technologies like SIEM, XDR, and SOAR are shaping the strategies for effective breach detection and incident response in the digital age.

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Security tooling: Security is not a tool. Tools don’t innovate.

Discover why relying solely on security tools isn’t enough to protect organisations from cyber threats. Learn the importance of integrating processes, skilled personnel, and a proactive approach to cyber security.

Reliance Cyber team

Uniting for a Cause: Reliance Cyber Steps Up to take on the Peak District Ultra Challenge in Support of Macmillan.

Reliance Cyber is excited to announce our participation in the upcoming Peak District Ultra Challenge…

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My internship experience in cybersecurity: A practical guide for graduates

A bit about me: I’m a Cyber Security and Digital Forensics student at the University…

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Infographic: The importance of 24/7 cybersecurity

Delve into the complex world of cybersecurity with Reliance Cyber’s latest infographic. We explore five…

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The problem of collaboration

The problem of collaboration – does the modern working environment requiring a new approach to…

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