On discovering a data breach, which regulators or other government agencies should be notified?
List: - UK Information Commissioner’s Office (ICO) – any organisation which is a controller of personal data has a responsibility to report personal data breaches to the ICO within 72 hours unless it concludes that the breach will be unlikely to pose a risk to the individuals concerned.
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Essential services – providers of services in the energy, transport, health, water and digital infrastructure sectors, must notify significant network and information systems incidents, for example cyber‑attacks, to competent authorities designated under the Network and Information Systems Regulations 2018.
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Other sectors – other regulated industries are required to report breaches involving personal data to their sector regulator eg duty on financial services institutions to report data security breaches to the UK Financial Conduct Authority.
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National Cyber Security Centre – part of the UK Government’s GCHQ, the NCSC. While there is no legal obligation to notify the NCSC about an incident, the NCSC encourages early engagement so that it can provide advice and assistance to victim organisations. The NCSC does not share information with the ICO or other regulators unless the victim organisation requests that it does so.