News

French government internal messaging tool Tchap hit by data breach — but it doesn't know if any data was compromised

  • Sead Fadilpašić--TechRadar
  • published date: 2026-06-10 14:09:30 UTC

A cybercriminal claimed the Tchap breach on a dark web forum, saying they stole gigabytes of sensitive data.

<ul><li>French government‑only chat app Tchap breached via stolen valid account, attacker claims 13.5GB exfiltrated</li><li>Alleged haul includes 73k accounts, 640k+ messages, 800+ chat rooms; privat… [+2508 chars]