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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
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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

News and Events

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 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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A day at the McLaren Technology Centre: Celebrating partnerships and unique experiences

Reliance Cyber’s unforgettable visit to an iconic venue We believe in nurturing strong relationships with…

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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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Navigating cyber threats on Black Friday

Navigating cyber security threats on Black Friday – How to survive the eCommerce avalanche: As…

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The great data protection gamble

The great data protection gamble – could the UK’s post-Brexit stance mean the end of…

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Report: Zscaler ThreatLabz and Reliance Cyber 2023 phishing report

Gain Valuable Insights and Protect Yourself from Phishing Attacks. Discover the secrets behind phishing attacks…

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Report: Threat advisory UPDATE: MOVEit zero day vulnerability report

MOVEit Transfer Critical Vulnerability A critical vulnerability has been discovered in MOVEit Transfer, a popular…

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