The French government said a breach of the Tchap encrypted messaging platform affected accounts tied to more than 73,000 public sector employees after an attacker used a compromised account. While private chats remained encrypted, the attacker accessed data from public chat rooms and reportedly claimed to have stolen messages, documents, and metadata from the platform. #Tchap #DINUM #CNIL #ANSSI
Keypoints
- A compromised user account gave a threat actor access to Tchap.
- Over 73,000 French public sector employees may be affected.
- Private conversations stayed encrypted, but public chat data was exposed.
- Exposed information included names, email addresses, avatars, and organization details.
- The attacker allegedly stole messages, documents, media files, and metadata from Tchap.