# GDPR Art.34

URL: /systems/trust-and-governance/criteria/gdpr/art-34 · Id: `criterion:gdpr:Art.34`

> A controller tells data subjects without undue delay about a breach likely to put them at high risk.

A controller tells data subjects without undue delay about a breach likely to put them at high risk.

| Property | Value |
| --- | --- |
| Framework | GDPR |
| Reference | `Art.34` |
| Satisfied by | [Breach notification](/systems/trust-and-governance/controls/breach-notification) |