Cyber Incident Victim: Appui Santé Nord Finistère
Date:
Jan 2023
Location:
France
Summary
A health association in Nord-Finistère experienced a cyberattack resulting in full data encryption and deletion of some archives, compromising data confidentiality, availability, and integrity. The organization immediately halted its IT infrastructure to prevent further damage, engaged specialists for data recovery and analysis, and is rebuilding a secure independent system. While archived data and accounting systems remain inaccessible, no data leaks have been confirmed; a police complaint was filed, and ongoing updates are provided through a dedicated contact and website.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 2 motives | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On January 26, 2023, between 1:10 AM and 1:40 AM, the French healthcare association Appui Santé Nord-Finistère suffered a cyberattack targeting its IT infrastructure. The organization, which manages personal health data through its coordination support services for cancer care (Centre de coordination en cancérologie du Ponant) and gerontological support (Centre local d’information et de coordination gérontologique), immediately implemented containment measures upon confirming the breach. These actions included a full shutdown of all IT systems to prevent further propagation of the attack. The association engaged a specialized IT contractor to analyze the attack methodology and scope while simultaneously initiating efforts to reconstruct a secure, standalone operational infrastructure disconnected from the compromised systems. Forensic examination revealed that attackers encrypted all organizational data and deleted certain archival records, directly compromising data confidentiality, availability, and integrity. Critical operational systems, including archived data repositories and accounting management platforms, remained inaccessible following the attack.

Appui Santé Nord-Finistère transmitted encrypted files to a data recovery firm to support ongoing forensic analysis and security hardening. Despite the comprehensive encryption and data deletion, the association confirmed no disruption to healthcare service continuity and maintained vigilance against potential data leaks, though none had been verified as of their January 30, 2023, status update. Multiple regulatory and cybersecurity entities—including the Brittany Regional Health Agency (ARS Bretagne), France’s National Data Protection Commission (CNIL), and the Health Sector Computer Emergency Response Team (CERT Santé)—collaborated to assess the breach’s impact and implement corrective measures. The association filed a formal complaint with Brest police authorities and established a dedicated crisis communication channel ([email protected]) for public inquiries, committing to provide ongoing incident updates via its official website. Reconstruction of the replacement IT infrastructure proceeded independently from the attacked systems during the investigation phase.
