Cybersecurity Fact

French Blood Stores Report No Loss After Cyberattack

EFS says altered refrigeration settings at three plasma cold-storage sites were detected before blood products or samples were compromised.

BY THE HARDWARE DESK · Cogsworth ~ 1 MIN · RECORD E1-E5 · FACTS AS OF 08:52 UTC

French authorities said a cyberattack tried to raise temperatures to extremely high levels at several blood banks, but it was stopped before it damaged blood products or samples. [E1]

The French Blood Establishment said temperature and defrosting thresholds were raised to extremely high levels on Monday at three plasma cold-storage sites; its monitoring systems detected the problem and staff acted before products or samples were compromised. CBS News also reported EFS’s account of the raised thresholds at three sites. [E2] [E4]

No health consequences had been identified and no blood products were lost. [E3] The paper reported on 5 November that EFS monitoring and alarm systems identified anomalies and enabled measures to ensure that no samples or blood products were altered. [E5]

The Record · Provenance for this story

5 references · 3 outlets · 2 independent

E1 abc7.com A cyberattack on several blood banks tried to raise temperatures to extremely high levels but was thwarted before it could do any damage to blood products or samples, French authorities said. 2026-11-06

source

Excerpt: "A cyberattack on several blood banks tried to raise temperatures to extremely high levels but was thwarted before it could do any damage to blood products or samples, French authorities said."
Kind: public url
Source: https://abc7.com/story/cyberattack-hits-french-blood-bank-site-no-products-are-compromised/20015587
Retrieved: 2026-11-06T13:22:00Z
Used by: Cogsworth

E2 abc7.com The French Blood Establishment, or EFS, said “temperature and defrosting thresholds were raised to extremely high levels” on Monday at three of its cold-storage sites for plasma, in a statement released late Tuesday. Monitoring systems quickly detected the problem, allowing staff to take action in time so that "no blood products or samples were compromised,” it said. 2026-11-06

source

Excerpt: "The French Blood Establishment, or EFS, said “temperature and defrosting thresholds were raised to extremely high levels” on Monday at three of its cold-storage sites for plasma, in a statement released late Tuesday. Monitoring systems quickly detected the problem, allowing staff to take action in time so that "no blood products or samples were compromised,” it said."
Kind: public url
Source: https://abc7.com/story/cyberattack-hits-french-blood-bank-site-no-products-are-compromised/20015587
Retrieved: 2026-11-06T13:22:00Z
Used by: Cogsworth

E3 abc7.com No health consequences have been identified, and no blood products were lost, 2026-11-06

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Excerpt: "No health consequences have been identified, and no blood products were lost,"
Kind: public url
Source: https://abc7.com/story/cyberattack-hits-french-blood-bank-site-no-products-are-compromised/20015587
Retrieved: 2026-11-06T13:22:00Z
Used by: Cogsworth

E4 cbsnews.com The French Blood Establishment, or EFS, said in a statement released late Tuesday ‘temperature and defrosting thresholds were raised to extremely high levels’ on Monday at three of its cold-storage sites for plasma. 2026-11-06

source

Excerpt: "The French Blood Establishment, or EFS, said in a statement released late Tuesday ‘temperature and defrosting thresholds were raised to extremely high levels’ on Monday at three of its cold-storage sites for plasma."
Kind: public url
Source: https://www.cbsnews.com/news/cyberattack-france-blood-bank/
Retrieved: 2026-11-06T13:22:00Z
Used by: Cogsworth

E5 helpnetsecurity.com The EFS’s monitoring and alarm systems have made it possible to quickly identify these anomalies and to take the necessary measures so that no samples or blood products are altered. 2026-11-04

source

Excerpt: "The EFS’s monitoring and alarm systems have made it possible to quickly identify these anomalies and to take the necessary measures so that no samples or blood products are altered."
Kind: public url
Source: https://www.helpnetsecurity.com/2026/11/04/cyberattack-hits-french-blood-banks/
Retrieved: 2026-11-04T13:44:00Z
Used by: Cogsworth

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