France probes compromise of gov messaging platform after account hijack


French officials are investigating a compromise of the government’s encrypted messaging service Tchap after attackers hijacked an account and gained access to public chat rooms.

The incident came to light on June 7 when France’s National Cybersecurity Agency (ANSSI) detected suspicious activity on Tchap, the government’s homegrown messaging service used across ministries and public sector organizations. The French Digital Affairs Directorate (DINUM), which operates the platform, said it immediately began investigating the compromise and moved to block the affected account.

Read more…
Source:  The Register


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • French government hit by cyberattack

    December 15, 2025

    The French Interior Ministry has confirmed recently suffering a cyberattack, but the consequences are still being determined. The French Minister of Interior said the attack took place at night, between December 11 and December 12. Email servers were compromised, allowing threat actors to access some document files. However, it is currently unclear if they managed to ...

  • International takedown of cryptocurrency fraud network laundering over EUR 700 million

    December 4, 2025

    The final actions in a sweeping international operation have successfully dismantled a large-scale cryptocurrency fraud and money laundering network that had laundered over EUR 700 million. Coordinated across multiple jurisdictions, these actions, carried out last month and earlier this week, mark the culmination of years of investigation and the effective disruption of a criminal operation ...

  • Shai Hulud 2.0, now with a wiper flavor

    December 3, 2025

    In September, a new breed of malware distributed via compromised Node Package Manager (npm) packages made headlines. It was dubbed “Shai-Hulud”, and Kaspersky published an in-depth analysis of it in another post. Recently, a new version was discovered. Shai Hulud 2.0 is a type of two-stage worm-like malware that spreads by compromising npm tokens to republish ...

  • Europol: End of the game for cybercrime infrastructure: 1025 servers taken down

    November 13, 2025

    Between 10 and 13 November 2025, the latest phase of Operation Endgame was coordinated from Europol’s headquarters in The Hague. The actions targeted one of the biggest infostealers Rhadamanthys, the Remote Access Trojan VenomRAT, and the botnet Elysium, all of which played a key role in international cybercrime. Authorities took down these three large cybercrime enablers. ...

  • Louvre used ‘Louvre’ as password for its video surveillance system

    November 6, 2025

    At the time of the brazen heist of $102 million in jewels from the Louvre last month, the password to the world-famous museum’s video surveillance system was simply “Louvre,” according to a museum employee with knowledge of the system. The revelation comes as the museum’s security measures have come under scrutiny in the wake of the ...

  • Clearview AI faces criminal heat for ignoring EU data fines

    October 28, 2025

    Privacy advocates at Noyb filed a criminal complaint against Clearview AI for scraping social media users’ faces without consent to train its AI algorithms. Austria-based Noyb (None of Your Business) is targeting the US company and its executives, arguing that if successful, individuals who authorized the data collection could face criminal penalties, including imprisonment. The complaint ...