03 Jul, 2026

Over 73,000 French govt employees affected in Tchap messenger breach

The French government revealed that a recent breach of its Tchap encrypted messaging platform affects the accounts of over 73,000 employees in the French public sector. DINUM, the French government’s digital affairs directorate, disclosed on Monday that a threat actor gained access to the Tchap platform using a compromised user account and notified France’s data protection authority (CNIL) due to the […]

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French govt messaging service breached in account hijacking attack

DINUM, the digital affairs directorate of the French government, warned that hackers used a hijacked user account to breach Tchap, the French government’s encrypted messaging platform. Developed in-house by DINUM in collaboration with ANSSI (the French Cybersecurity Agency) in 2018, Tchap is an instant messaging service and collaboration tool based on the decentralized Matrix protocol, designed […]

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