The GDPR in Europe for the protection of personal data has adopted a series of measures that establish public disclosure obligations for public administrations and companies in cases where, after cyberattacks, abusive accesses, accidents or adverse events, such as fires or disasters, the loss, destruction or undue dissemination of personal data stored, transmitted or otherwise processed should occur. The data breach is therefore a pillar of information security and a great challenge for public administrations and companies as it can be, from the point of view of transparency and accountability, the driving force for a new relationship both with citizens and with the Authority of Data Protection.When the violation of personal data presents a high risk for the rights and freedoms of people, the data controller must notify the concerned user of the violation without undue delay.
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