Medibank confirms hacker had access to data of all 3.9 million customers

Data breach, which exposed all Medibank, ahm and international student data, could cost health insurer $35mFollow the latest news updates with our live blogGet our morning and afternoon news emails, free app or daily news podcastMedibank has revealed all of its 3.9 million customers have had their data exposed to a hacker, in a significant escalation of the cyber-attack on the Australian health insurer.In an update to the Australian Stock Exchange on Wednesday, the company said that since Tuesda