<p>Temperature and defrosting thresholds raised to ‘very high levels’ at three cold stores stocking vital blood products</p><p>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.</p><p><a href="https://presse.efs.sante.fr/actualites/l-efs-confirme-l-incident-de-cybersecurite-impactant-un-de-ces-prestataires-d-equipement-frigorifique-2c07c-08a0a.html">The French blood service (EFS) said</a> 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.</p> <a href="https://www.theguardian.com/technology/2026/nov/04/france-national-blood-service-hack-cyber-attack-europe">Continue reading...</a>