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Testing times Britain’s NHS reels from a ransomware attack An assault on a health-care provider prompts an urgent call for blood donations The threat of ransomware, the process of stealing or encrypting data for the purposes of extortion, is increasingly obvious. In Britain in recent years local councils, water companies and a supplier to the Ministry of Defence have all been attacked by criminal gangs. Last year the website and other online services at the British Library went down as a result of a cyber-attack; the outage is still not fixed. On June 3rd ransomware came for the National Health Service (NHS). The attack has been attributed to Qilin, a Russian criminal group; the British government appears to have hit back by taking down the gang’s dark-web site. Qilin’s assault targeted the it systems of Synnovis, a health-care firm that processes around 100,000 blood tests per day, rendering its data unusable. Several hospital trusts—including two London teaching hospitals, Gu
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