I sefydliadau/ Report a breach/ personal data breach assessment Self-assessment for data breaches Start again 1. A personal data breach (PDB) can be broadly defined as a security incident that has affected the confidentiality, integrity or availability of personal data. Have you determined whether a PDB has occurred? 1. A personal data breach (PDB) can be broadly defined as a security incident that has affected the confidentiality, integrity or availability of personal data. Have you determined whether a PDB has occurred? Yes No I don't know Next