French government messaging platform breached through account hijacking (opens in new tab)

French authorities are investigating a compromise of Tchap, the government’s secure messaging platform, after hackers hijacked a user account and gained access to public chat rooms. Tchap is the French government’s messaging platform for civil servants, ministries, and public agencies. Built on the open-source Matrix protocol, it was developed to keep government communications on infrastructure managed by the French state rather than foreign technology providers. The Interministerial Director...