Microsoft 365 Security
Maximise your protection with optimised security settings, tailored for your business needs and designed to reduce your exposure to modern cyber threats.
Robust Protection for Your Systems
Security hardening is a vital part of any organisation’s cyber defence strategy. At Seriun, we help businesses across the UK reduce vulnerabilities and improve resilience by implementing proven hardening techniques.
From securing endpoints and networks to applying best-practice configurations and patching known weaknesses, our team ensures your systems are protected against evolving threats. As a certified Cyber Essentials and IASME assessor, Seriun provides trusted guidance backed by industry-recognised standards.
Benefits
Reduce Attack Surface
We identify and eliminate unnecessary services, ports and configurations that could be exploited by attackers.
Comply with Industry Standards
Our hardening practices align with Cyber Essentials, ISO27001 and CISSP principles to help meet compliance requirements.
Proactive Defence
Stay ahead of threats with continuous improvement and monitoring of your security posture.
What’s Included in Our Security Hardening Service
System Hardening
We apply security controls to operating systems, applications and network devices to minimise vulnerabilities.
Configuration Review
Our experts assess your current setup and recommend changes to improve security without disrupting operations.
Patch Management
We ensure critical updates are applied promptly to close known security gaps and prevent exploitation.
Compliance Support
Seriun helps you meet regulatory and certification requirements through structured hardening and documentation.
