Hackers grow more brazen in hunt for bigger ransoms

By Jeff Stone and Charles Gorrivan | Bloomberg

A hack on a London hospital has left hundreds of millions of health records exposed and forced doctors to reschedule life-altering cancer treatments. In North America, a gang tried auctioning off data about LendingTree customers after finding credentials in another breach. And in the recent compromise of car-dealership software provider CDK Global, hackers took the brazen approach of attacking not just once, but twice.

These recent high-profile...