Cybersecurity Compliance Updates Every UK Business Needs to Know

Written By Tim Barrow

UK businesses are facing a rapidly changing cybersecurity landscape. With increasing regulatory scrutiny, cloud security threats, and compliance updates, organisations must be proactive in their security strategies.

In this post, we explore the three biggest cybersecurity compliance changes for UK businesses—and what you need to do to stay compliant.

1. ISO 27001:2022 – The Clock is Ticking for UK Businesses

ISO 27001 is the gold standard for information security management. The updated 2022 version introduces key changes that businesses must implement before the October 2025 deadline.

🔹 What’s changing?

  • Cloud security-specific controls to address risks in multi-cloud environments

  • Stronger supply chain risk management to prevent third-party vulnerabilities

  • More emphasis on Zero Trust security and proactive monitoring

✅ What should UK businesses do?

  • Review existing ISO 27001 compliance against the new framework

  • Conduct a gap analysis to identify missing controls

  • Ensure cloud service providers (CSPs) comply with the new requirements

2. UK GDPR & Data Protection Act – AI & Automated Decision-Making Under Scrutiny

With AI-driven security solutions on the rise, UK regulators are focusing on how businesses use AI for data processing under GDPR and the UK Data Protection Act 2018.

🔹 Key compliance risks:

  • Transparency & Explainability – AI-powered security tools must be auditable

  • Fairness & Bias – Automated decision-making (e.g., fraud detection) must not be discriminatory

  • Data Protection by Design – Cloud security tools must comply with UK GDPR principles

✅ What should UK businesses do?

  • Conduct a Data Protection Impact Assessment (DPIA) for AI-driven security tools

  • Ensure AI-based risk assessments are fair, explainable, and compliant

  • Align AI security strategies with UK GDPR and emerging EU AI regulations

3. NCSC & FCA’s Strengthened Cybersecurity Expectations

The UK’s National Cyber Security Centre (NCSC) and the Financial Conduct Authority (FCA) are ramping up cybersecurity requirements, particularly for financial services and critical infrastructure providers.

🔹 Key changes:

  • FCA requires firms to improve cyber risk management and report material security breaches

  • NCSC’s Cyber Essentials framework is becoming a key benchmark for supply chain security

  • Operational Resilience regulations now mandate financial firms to improve security against cyber threats

✅ What should UK businesses do?

  • Implement Cyber Essentials or Cyber Essentials Plus certification

  • Strengthen third-party security controls to meet NCSC and FCA expectations

  • Ensure real-time cloud security monitoring to detect & mitigate threats early

Conclusion: Is Your Business Compliance-Ready for 2025?

With regulations evolving rapidly, businesses must take a proactive approach to cloud security, compliance, and risk management. Whether you need to transition to ISO 27001:2022, prepare for GDPR AI compliance, or strengthen FCA cybersecurity controls, the time to act is now.

🚀 Need expert guidance? Peritus Cloud Security helps UK businesses navigate complex compliance challenges. Get in touch today for a chat with one of our specialists!

#CyberSecurity #CloudSecurity #ISO27001 #GDPR #NCSC #FCA #UKBusiness

Tim Barrow
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