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France blood bank cyberattack hits cold storage refrigeration systems


Hackers targeted refrigeration systems at three regional blood banks in France this week, raising concerns about the safety of critical medical supplies as similar cyberattacks disrupted supermarkets across Europe.

Officials said Wednesday that the cyberattack on France’s national blood service, the French Blood Establishment (EFS), occurred overnight between Sunday and Monday.

“Several regional facilities of the French Blood Establishment were affected by a cybersecurity incident that impacted certain cold storage room monitoring and control systems,” the French Health Ministry said in a statement.

Despite the attack, officials said blood supplies were unaffected after employees received alerts and quickly moved the products to refrigerators that were not connected to the compromised systems.

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A worker at the District Institute of Science, Biotechnology and Health Innovation (IDCBIS) handles blood bags in a storage facility at the institute during a blood donation campaign to help victims of the earthquake in Bogota, Colombia, August 15, 2026.

Hackers targeted refrigeration systems used to store blood products at three French blood bank facilities, prompting employees to move supplies to unaffected units. (Reuters/Jose Vargas Esguerra / Reuters)

“We have staff round the clock since blood can be needed at any time,” EFS spokesperson Charley Dubois told Reuters. “They were warned about the problems by alerts and moved the blood to other refrigerators that were not connected.”

The Health Ministry said the situation was under control by Wednesday, noting that remote access to the affected refrigeration systems had been disabled.

Officials are investigating how the attack was carried out, which equipment may have been affected and when the systems can safely return to service.

The incident coincided with cyberattacks targeting supermarket refrigeration systems in eight European countries, forcing retailers to discard large quantities of food.

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Empty freezers in a store where a cyberattack has taken down several of its freezers in Stockholm, Sweden, November 2, 2026.

Cyberattacks targeting supermarket refrigeration systems across Europe forced retailers to discard large quantities of perishable food. (Reuters/Marie Mannes / Reuters)

In Belgium and Luxembourg, approximately 40 Delhaize supermarkets were affected, while other incidents were reported in Sweden, Ireland, the Netherlands, Estonia and Finland, according to the BBC.

The attacks reportedly caused some refrigeration systems to enter defrost mode, raising temperatures and spoiling refrigerated products.

The latest incidents followed a major cyberattack on French supermarkets last month, when hackers manipulated refrigeration systems at hundreds of stores, forcing retailers to discard large amounts of perishable food.

Major chains including Carrefour, Monoprix, Les Mousquetaires, E. Leclerc and Coopérative U were affected by that incident.

Some stores reported refrigerator…



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