This week, we’re bringing you a story from our friends over at Malicious Life - a podcast about the history of cybersecurity. If movies have taught us anything, it’s that if you want to rob a bank, you dress up as the cleaning crew. The people behind the huge hack of Target in 2013 must have seen one action film too many, because when they decided to hack one of the biggest retailers in the world, they did it via the HVAC maintenance systems’ computers.