Managed Cyber Security

Proactive protection for the UK’s growing businesses, handled by experts.

Defend, Detect, and Respond to Modern Security Threats

Modern businesses require robust and reliable protection that evolves with emerging threats. Our managed cyber security service combines industry-standard protections with specialised monitoring and strategic guidance, ensuring your operations and reputation remain secure while you focus on business growth.

Strengthen Defence Posture

Implement comprehensive protection systems that shield your business from both common and sophisticated attack methods.

Achieve Compliance Requirements

Meet regulatory standards efficiently without creating unnecessary operational complexity.

Maintain Business Continuity

Ensure operations continue smoothly even when faced with emerging security threats or attempted breaches.

Preserve Reputation and Trust

Protect customer data and business information to maintain stakeholder confidence and market position.

Why Partner with Nexus for Managed Cyber Security Services?

Our approach to managed cyber security centres around Microsoft’s integrated security ecosystem. With it, we’re able to provide comprehensive protection with minimal complexity.

Microsoft 365 Defender

We implement and optimise Microsoft's native security features to create a unified protection system across your entire digital environment.

Advanced Email Security

Our phishing protection solutions prevent sophisticated email attacks from reaching users while providing ongoing security awareness training.

Dark Web Monitoring

We continuously scan for leaked credentials and business information across the dark web to identify potential security compromises before they're exploited.

Security Software Management

As your cyber security services provider in the South West, we ensure all security tools remain properly configured, updated, and optimised for your specific environment.

Request Your Free Comprehensive Review of Your IT Environment

Free Consultation

The Nexus Security Advantage

Our approach to managed cyber security services combines enterprise capabilities with personalised, local service. You get the best of both worlds, plus ultimate peace of mind.

Microsoft Security Specialisation

Our status as a Microsoft Solutions Partner ensures we implement security controls that maximise your existing technology investments.

South West Presence

Unlike remote-only providers, our local cyber security consultant team delivers service with an understanding of regional business needs.

Proven Methodology

Our security programme incorporates industry frameworks and best practices refined through 25 years of protecting local businesses.

Business-First Approach

We design security controls that protect your operations without creating unnecessary friction or complexity for your team.

Contact Us

Let’s Chat About Your IT

Every business is different and so are its IT challenges.

Whether you’re exploring how to improve cybersecurity, strengthen backup and continuity, or get more from your Microsoft 365 environment, we’ll help you identify where to start.

Our consultants will take the time to understand your setup and share clear, practical recommendations — no jargon, no hard sell.

Simply complete the form and we’ll be in touch within 24 hours.
(Most suitable for organisations with 40+ IT users.)

“Nexus Open Systems Ltd demonstrated an excellent track record delivering innovative IT services and cloud solutions while exceeding customer expectations.”

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