Hackers change French blood plasma freezer settings to 110°C
Original title: Hackers Hijacked French Blood Plasma Freezers, Changing Temperature Settings From −30°C to 110°C
No patient harm or transfusion disruption reported as staff detected changes in time.
Hackers targeted Coolworld, a provider of temperature-controlled equipment for the French Blood Establishment, changing refrigeration settings overnight between November 1 and 2, 2026. Facilities in Bourgogne-Franche-Comté were among those affected. EFS staff noticed the abnormal temperatures before operations were disrupted, and the Health Ministry confirmed no consequences for patient care.
Unconfirmed: No public information identifies the attackers or exploited vulnerabilities.
- Incident involved donor samples and frozen plasma for transfusions.
- No destroyed units or confirmed patient harm reported.
- No public details on how attackers accessed Coolworld systems.
Impact: Temperature settings altered on medical storage equipment
- Vendors
- Coolworld
- Products
- refrigeration equipment
- Victims
- French Blood Establishment
- Countries
- France
From the original article
2 min read at cybersecuritynews.com
Hackers reportedly changed temperature settings on refrigeration equipment used by the French Blood Establishment, EFS, from around −30°C to 110°C after targeting its cooling service provider, Coolworld. The incident occurred overnight between November 1 and 2, 2026, raising concerns about frozen plasma stored for patient transfusions. According to reporting published by Cyberattaque citing Le Canard […]
By Guru Baran · cybersecuritynews.com
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