Over 73,000 French Govt Employees Affected in Tchap Messenger Breach

The French government disclosed a security breach of Tchap — the sovereign Matrix-based messaging platform for public servants — compromising over 73,000 accounts. While full details on what was exfiltrated remain unclear, likely exposed information includes identities, contact graphs, communication metadata, and possibly message content; authorities (DINUM/ANSSI) are investigating and affected employees are being notified with guidance to change credentials, enable MFA, watch for phishing, and follow official instructions.