‘Tens of thousands’ of NHS patients have their names, dates of birth and private information published online by hackers who demanded £40m ransom after cyber attack on London hospitals

A gang of hackers who targeted a blood testing firm which has caused chaos at London hospitals has published swathes of stolen data online as it demands a £40 million ransom.A gang of hackers who targeted a blood testing firm which has caused chaos at London hospitals has published swathes of stolen data online as it demands a £40 million ransom.Read MoreHealth News | Mail Online