Cyber attacks on the French Blood Service The hackers remotely changed cooling settings in EFS (French Blood Service) facilities and raised the temperatures from 30 degrees Celsius to +110 degrees Celsius. Offensive equipment run by Coolworld at three regional sites during the night of November 2nd. Frozen blood and plasma samples were exposed to extreme heat, but were moved to safe storage before loss occurred. Authorities have not confirmed any impact on patients. The representative of the European Commission, Toma Rennie, cautioned against immediately blaming Russia for a wave of cyber attacks affecting European refrigeration infrastructure, including supermarkets. He emphasized collective resistance over revenge. @Slavyangrad.