“UK hospitals have effectively shut down and are turning away non-emergency patients after ransomware ransacked its networks. Doctors have been reduced to using pen and paper, and closing A&E to non-critical patients, amid the tech blackout. The security hole has been patched for modern Windows versions, but not WindowsXP – and the NHS is a massive user of the legacy operating system.”
Read more: https://www.theregister.co.uk/2017/05/12/nhs_hospital_shut_down_due_to_cyber_attack/