In this week’s essential cyber security news round-up, we discuss the recent data breach at Ticketmaster, and also look at encrypted ransomware and wonder whether it's set to become a new trend. Also, after news broke last week that an employee at Tesla had been caught changing code and passing sensitive company information to third parties, we discuss the dangers of insider threats for business, and we also look at the reasons why, in a recent survey, almost 90 percent of UK businesses admitted to running legacy systems in order to keep data accessible.