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PARIS — In a major cyberattack targeting the cold storage network of France’s national blood service, hackers attempted to destroy vital supplies by raising the temperature of refrigeration units from their routine -30 degrees Celsius to 110 degrees Celsius. The breach was carried out through the digital systems of Coolworld, a contracted refrigeration maintenance firm providing services to France’s national blood agency, the Établissement Français du Sang (EFS). After obtaining unauthorized access to Coolworld’s systems, the perpetrators attempted to remotely reprogram the temperature settings of the agency’s freezers to disrupt the cold chain. However, an alert technician monitoring central control consoles overnight caught the abnormal shift immediately, taking prompt corrective measures to ensure no storage units suffered damage and essential hospital supplies remained steady.
Alert Technician Averts Potential Healthcare Crisis
The cyber operation was launched under cover of night, deliberately timed when regular facility operations were paused and reliance on remote monitoring systems was highest. Attackers altered the cold storage programming, sending direct digital commands to push the sub-zero units from -30 degrees Celsius to 110 degrees Celsius. Observing a rapid and abnormal spike across temperature logs, the technician on duty quickly identified the malicious activity. Emergency protocols were initiated without delay, transferring system commands to manual operations and isolated backup controls. This decisive intervention prevented temperature-sensitive blood samples and medically critical frozen plasma from crossing safe thermal limits and spoiling.
Health Ministry Confirms Timely Detection and Secure Supplies
France’s Ministry of Health confirmed the security breach, stating that the intrusion was identified in time to prevent disruption. Official statements noted that swift defensive actions ensured no operational impact, allowing hospital networks, trauma centers, and transfusion units across the country to continue receiving scheduled blood supplies without interruption. While initial reports indicated that the affected units held only routine surveillance blood samples, subsequent reviews confirmed the presence of frozen plasma intended for direct patient transfusions. The presence of therapeutic plasma underscored the severity of the attempt, which could have triggered critical shortages in emergency healthcare channels had the temperature breach succeeded.
European Cooling Systems Face Rising Digital Threats
The incident has heightened security concerns surrounding sensitive healthcare and critical utility infrastructure across Europe. Forensic investigators are examining how the perpetrators accessed Coolworld’s internal networks and whether the attack was orchestrated by an organized cyber group. The breach follows similar unauthorized intrusions into networked refrigeration and cooling units across supermarkets and industrial food depots in roughly a dozen European countries. The event highlights growing vulnerabilities tied to third-party technical vendors, prompting broader reviews of digital access controls and cyber hygiene across contracted supply chains supporting critical public services.
