Cyberattack on Ostheim Town Hall: 95% of Data Encrypted, Recovery Achieved Without Ransom Payment

Cyberattack on Ostheim Town Hall: 95% of Data Encrypted, Recovery Achieved Without Ransom Payment

Date Reported: 2025-02-02
Country: FRA | France
Victim: Mairie d’Ostheim | Ostheim Town Hall
Website: ostheim.fr
Information :

  • On February 2, 2025, the town hall of Ostheim in Haut-Rhin was targeted by a ransomware cyberattack.
  • The attack resulted in 95% of the town hall’s data being encrypted.
  • The town hall chose not to pay the ransom demanded by the attackers.
  • Thanks to a nearly complete backup, they were able to recover most of their data.
  • The incident incurred costs of approximately €2,500 for the town hall.
  • This event highlighted the need for improved cybersecurity measures and prevention strategies.
  • The local gendarmerie is offering free prevention and pre-diagnostic services to communities and businesses.
  • The attack serves as a reminder of the importance of data security in public institutions.

Article: https://www.dna.fr/faits-divers-justice/2025/03/17/la-mairie-d-ostheim-attaquee-par-un-logiciel-de-rancon