Data breach at Hôpital Privé de Thiais, part of Aleo Santé group, exposing patient data
Hôpital Privé de Thiais, a hospital in Val-de-Marne and part of the Aleo Santé group, was affected by a data breach involving unauthorized access to the MediBoard electronic patient record system.
Key points
- Unauthorized access to MediBoard electronic patient record system.
- Part of a larger incident affecting the Aleo Santé group.
- Sensitive personal and medical data of thousands of patients exposed.
Connected intelligence
Signal brief
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Organization
- Published
- Nov 23, 2024
- Updated
- Jul 2, 2026
- Confidence
- High
- Evidence
- 2 sources
Structured assessment
Signal analysis
This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Threat source
Watch internet-facing systems, credential abuse and exploit activity.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Hôpital Privé de Thiais, a hospital in Val-de-Marne and part of the Aleo Santé group, was affected by a data breach involving unauthorized access to the MediBoard electronic patient record system. This incident, which also impacted other facilities within the Aleo Santé group, resulted in the exposure of sensitive personal and medical data of thousands of patients. The management of Hôpital Privé de Thiais, along with Clinique Alleray-Labrouste, filed a complaint with the CNIL (French data protection authority). The hacker, known as 'nears', claimed to have access to over 1.5 million patient records across multiple French healthcare facilities, with 758,912 patient records from one unnamed hospital offered for sale.
When was this signal reported?
Shadow Tier lists Nov 23, 2024 as the signal date.
Which organization is connected to this signal?
Hopital Prive Thiais is the organization connected to this public signal.
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