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Almerys Cyberattack Exposes Personal Data of Health Insurance Clients

Almerys Cyberattack Exposes Personal Data of Health Insurance Clients

First seen 26 May 2026, 08:34 UTC

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ThreatCluster AI
ThreatCluster May 27, 2026 at 08:10 UTC
  • Almerys confirmed a cyberattack exposing personal data of all clients.
  • Compromised data includes names, Social Security numbers, and insurance details.
  • The affected site has been closed, and stakeholders have been notified.

Almerys, a third-party payment specialist, confirmed a cyberattack on May 25, 2026, resulting in the exposure of personal data of its clients. The attack allowed unauthorized access to the site used for processing health coverage requests, affecting all clients. Compromised data includes names, Social Security numbers, and insurance contract details, but does not involve banking or health data. Almerys has closed the affected site and is implementing measures to mitigate the impact. The company has informed stakeholders and is working on transitional solutions for affected health professionals. Almerys previously suffered a significant data breach in early 2024. A complaint has been filed with the prosecutor's office, and an investigation is underway by the Paris cybercrime unit.

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Timeline

2024-01-01
Previous data breach reported
Almerys experienced a significant data breach affecting client data in early 2024.
La Croix
2026-05-25
Cyberattack on Almerys confirmed
Almerys reported unauthorized access to its site affecting all clients' personal data.
La Croix
2026-05-25
Affected site closed
The site for processing health coverage requests was shut down to contain the breach.
Nice Matin
2026-05-25
Investigation initiated
The Paris cybercrime unit has begun an investigation into the breach.
Nice Matin

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