# Cyberattack on a service provider for the French Blood Etablissement > During the night of 1 to 2 November 2026, Coolworld, a service provider for the Établissement français du sang (EFS), was the victim of a cyberattack. Cold rooms containing blood samples were allegedly warmed by hackers. On 10 November 2026, the Paris prosecutor's office opened an investigation following this cyberattack. The investigations were entrusted to the Anti-Cybercrime Office and the DGSI. **In brief**: Ongoing story bringing together 2 events nationwide, followed from 4 November 2026 to 11 November 2026. 45 articles from 29 sources (cyber); last updated on 11 November 2026 at 16:10. - Status: ongoing - Category: Cyber - Place: Nationwide - First detected: 4 November 2026 at 06:17 - Updated: 11 November 2026 at 16:10 - Web page: https://acturadar.com/en/stories/540-cyberattack-on-a-service-provider-for-the-french-blood-etablissement ## Coverage angles The three political leanings cover the same event with a common emphasis on the Paris prosecutor's investigation, but diverge on the angle: the left stresses the danger of cybercrime and the European context, the centre multiplies angles (investigation, audits, motivations, practical consequences), and the right focuses on the judicial investigation and consequences for blood stocks. **Common ground** - A cyberattack targeted cold rooms of an EFS service provider during the night of 1 to 2 November 2026 - The Paris prosecutor's office opened an investigation, entrusted to the Anti-Cybercrime Office and DGSI - EFS states that no blood products were lost and there is no health impact - Temperatures in the cold rooms were modified remotely **Differences** - The left highlights the possible link with attacks on cold storage installations in large-scale distribution in Europe, while the centre and right stress that no link is established at this stage - The centre develops security audits of vital importance operators and possible motivations of the pirates, angles absent from right-wing articles - The left publishes a critical opinion piece on the 'romanticization' of pirates, an editorial angle absent from the centre and right - The centre explicitly mentions the lack of link with Iran at this stage, an element not repeated by the left and right ## Timeline (2 events) ### 4 November 2026 — [Cyberattack on a provider for the French Blood Establishment](https://acturadar.com/en/events/8876-cyberattack-on-a-provider-for-the-french-blood-establishment.md) Coolworld, a provider for the EFS, was the victim of a cyberattack during the night of November 1 to 2. Cold rooms containing blood samples were reportedly warmed up by hackers. 27 sources, 39 articles · Nationwide ### 10 November 2026 — [Paris prosecutor opens investigation after cyberattack on the French Blood Establishment](https://acturadar.com/en/events/15934-paris-prosecutor-opens-investigation-after-cyberattack-on-the-french-blood.md) The Paris prosecutor has opened an investigation following a cyberattack that affected cold storage rooms at the EFS. The investigation has been handed over to the Anti-Cybercrime Office and the DGSI. 5 sources, 6 articles · Nationwide --- Cite as: Acturadar, “Cyberattack on a service provider for the French Blood Etablissement”, https://acturadar.com/en/stories/540-cyberattack-on-a-service-provider-for-the-french-blood-etablissement Methodology: https://acturadar.com/en/methodology