A personal data breach is a breach of security leading to the accidental or unlawful destruction, loss, alteration, unauthorised disclosure of, or access to, personal data.

If you experience a personal data breach you need to consider whether this poses a risk to people. You need to consider the likelihood and severity of the risk to people’s rights and freedoms, following the breach. When you’ve made this assessment, if it’s likely there will be a risk then you must notify the ICO; if it’s unlikely then you don’t have to report. You do not need to report every breach to the ICO.

Take our self-assessment to help determine whether your organisation needs to report to the ICO.

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