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## French blood banks hacked in latest cyber-attack on Europe

DevFeed: [French blood banks hacked in latest cyber-attack on Europe](<https://devfeed.tech/articles/french-blood-banks-hacked-in-latest-cyber-attack-on-europe-116618.md>)

Original publisher: [Read original article](<https://www.theguardian.com/technology/2026/nov/04/france-national-blood-service-hack-cyber-attack-europe>)

Author: Jon Henley in Paris

Published: 2026-11-04T13:22:28Z

Content type: news

Language: en

Sources: [The Guardian | Technology](<https://devfeed.tech/sources/the-guardian-technology.md>)

Topics: [Cybersecurity](<https://devfeed.tech/topics/cybersecurity.md>), [cyber resiliency](<https://devfeed.tech/topics/cyber-resiliency.md>), [national security](<https://devfeed.tech/topics/national-security.md>)

Tags: [2022](<https://devfeed.tech/tags/2022.md>), [alarm](<https://devfeed.tech/tags/alarm.md>), [anssi](<https://devfeed.tech/tags/anssi.md>), [attack](<https://devfeed.tech/tags/attack.md>), [attacks](<https://devfeed.tech/tags/attacks.md>), [banks](<https://devfeed.tech/tags/banks.md>), [blood](<https://devfeed.tech/tags/blood.md>), [control](<https://devfeed.tech/tags/control.md>), [cyber](<https://devfeed.tech/tags/cyber.md>), [cyber-attack](<https://devfeed.tech/tags/cyber-attack.md>), [cyber-attacks](<https://devfeed.tech/tags/cyber-attacks.md>), [cybercrime](<https://devfeed.tech/tags/cybercrime.md>), [cyberwar](<https://devfeed.tech/tags/cyberwar.md>), [europe](<https://devfeed.tech/tags/europe.md>), [france](<https://devfeed.tech/tags/france.md>), [hacked](<https://devfeed.tech/tags/hacked.md>), [hackers](<https://devfeed.tech/tags/hackers.md>), [hacking](<https://devfeed.tech/tags/hacking.md>), [hacking-cybercrime-cyberwar-internet-technology-france-europe-world-news](<https://devfeed.tech/tags/hacking-cybercrime-cyberwar-internet-technology-france-europe-world-news.md>), [internet](<https://devfeed.tech/tags/internet.md>), [products](<https://devfeed.tech/tags/products.md>), [service](<https://devfeed.tech/tags/service.md>), [systems](<https://devfeed.tech/tags/systems.md>), [technology](<https://devfeed.tech/tags/technology.md>), [temperature](<https://devfeed.tech/tags/temperature.md>), [world-news](<https://devfeed.tech/tags/world-news.md>)

### AI overview

Hackers raised temperature and defrosting thresholds at three contractor-run cold stores holding blood products for France's EFS, but alarm systems enabled technicians to intervene before products were compromised. EFS moved affected plasma and other products to different sites, alerted France's cybersecurity agency and health ministry, and reinforced equipment monitoring. The incident occurred amid attacks on supermarket refrigeration systems across Europe; the excerpt says no motive or perpetrator was known and gives possible attribution scenarios, not a confirmed one.

### Source excerpt

Temperature and defrosting thresholds raised to 'very high levels' at three cold stores stocking vital blood products Europe live - latest updates France's national blood service has said hackers accessed control systems and boosted temperatures at three cold stores stocking vital blood products, in an apparent escalation of recent cyber-attacks on fridges and freezers across Europe. The French blood service (EFS) said temperature and defrosting thresholds had been raised to "very high levels" in the attack, adding that its alarm systems had allowed technicians to intervene before the products were compromised. Continue reading...