3 hours agoBy Joe Tidy, @joetidy, Cyber Correspondent, BBC World ServiceA gang of cyber criminals causing huge disruption to multiple London hospitals has published sensitive data stolen from an NHS blood testing company.Overnight on Thursday, Qilin shared almost 400GB of the private information on their darknet site.The gang has been trying to extort money from NHS provider Synnovis since they hacked the firm on 3 June.Qilin previously told the BBC they would publish the data unless they got pa...