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Data Breach Guidance

The guide explains what a data breach is – when personal or sensitive information is accessed, lost or disclosed without authorisation – and how it might affect you. It then outlines clear steps you can take if your details have been compromised, such as checking account activity, changing passwords and monitoring for suspicious messages or calls.

Related resources

The Cyber Assessment Framework (CAF) / NCSC CAF Guidance

The Cyber Assessment Framework (CAF) provides guidance for organisations responsible for vitally important services and activities.

Read more The Cyber Assessment Framework (CAF) / NCSC CAF Guidance in modal dialog
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