A personal data breach must be reported to the supervisory authority if the breach may pose a risk to data subjects rights and freedoms. Data subjects, on the other hand, must be informed if the breach is likely to pose a high risk to their rights and freedoms. For example, registrants may take steps to reduce the adverse effect (e.g. by closing their credit card).
The notification must include the following information:
The controller must assess the risk of the personal data breach to the data subjects. The assessment must take into account, for example, the following:
The risk assessment affects the urgency and scope of reporting a breach.