Afewweeksago,theNationalHealthServicewashitbyawidespreadanddevastatingcyberattack-HorizontellstheinsidestoryofoneofthemostchallengingdaysinthehistoryoftheNHS.Onthemorningof12Maytheattackstarted.Appointmentsystems,pathologylabs,x-raysandevenCTscannerswereinfected-puttingnotjustdatabutpatientslivesatrisk,andoneve...