Afewweeksago,theNationalHealthServicewashitbyawidespreadanddevastatingcyberattack-HorizontellstheinsidestoryofoneofthemostchallengingdaysinthehistoryoftheNHS. Onthemorningof12Maytheattackstarted.Appointmentsystems,pathologylabs,x-raysandevenCTscannerswereinfected-puttingnotjustdatabutpatientslivesatrisk,andoneveryscreenasimple-somemayevensaypolite-messageappeared.'Ooops,yourfileshavebeenencrypted!' Butwhatfollowedwasfarfromcivilised.Itwasveryclearthatallthedataonaninfectedmachinewasnowscrambledandonlythehackerscouldunscrambleit.Foraprice-andwithanextratwist-afterafewdaystheransommoneydoubled,andifnothingwaspaidwithinaweek,thehackersthreatenedtodestroyallthedata-forever.
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