Hackers Reprogrammed Cold Storage at France's National Blood Service; No Products Compromised

Hackers reprogrammed cold storage units used by France's national blood service during a cyberattack on several blood bank sites, according to reports published 4 November 2026. French authorities said the intrusion attempted to raise storage temperatures to dangerous levels. No blood products were compromised, authorities said. How the industrial controllers running the units were accessed remains under investigation.