English: personal data breach
Welsh: tor diogelwch data personol
Subject: Cyfraith
Welsh definition: A personal data breach means a breach of security leading to the accidental or unlawful destruction, loss, alteration, unauthorised disclosure of, or access to, personal data. This includes breaches that are the result of both accidental and deliberate causes. It also means that a breach is more than just about losing personal data.
Notes: Mewn perthynas â'r Rheoliad Cyffredinol ar Ddiogelu Data. Gweler y ddau gofnod annibynnol am breach=tor, a breach=torri.