French authorities are investigating a security incident involving Tchap, the encrypted messaging platform used by the French government, after attackers reportedly gained access through a compromised user account. The Tchap Breach incident, which ANSSI detected, has prompted an ongoing investigation led by DINUM, the digital affairs directorate of the French government. 

According to information released on Monday, the Tchap breach was identified on Sunday when ANSSI, France’s national cybersecurity agency, detected suspicious activity on the platform. Officials said a threat actor accessed the service using a hijacked account, raising concerns about potential exposure of user conversation...