Ransomware Group medusalocker Hits: Mairie Thiverval Grignon
Summary
In the latest cybersecurity news, Mairie Thiverval Grignon — an organization based in FR — has fallen victim to a ransomware attack conducted by the group medusalocker. This data breach, discovered on 2026-07-01T22:30:36.252081+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Mairie Thiverval Grignon |
| Threat Group | medusalocker |
| Summary | Organization with 162 emails extracted. Domain: mairie-thiverval-grignon.fr |
| Date of Breach | 2026-07-01T22:30:22.507618+00:00 |
| Discovery Date | 2026-07-01T22:30:36.252081+00:00 |
| Region | FR |
| Target Domain | mairie-thiverval-grignon.fr |
| Business Sector | Public Sector |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- awareness training — close the gap attackers exploit.
- keep watch on the dark web — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
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