Verizon Business's Bryan Sartin, who investigates corporate break-ins, saw red this year over hacktivist threats to clients. Postal workers, department store clerks and elves aren’t the only ones working like crazy this holiday season. For Bryan Sartin, it’s the busiest time of year. Sartin is a director of investigative response with Verizon Business. He’s the guy you call when you’ve been hacked and he usually doesn’t get much of a Christmas vacation. “Right before big holidays, particularly Christmas and New Year’s is when the very vast majority of people seem to find out that they’ve been hacked,” he says. “We’ll do as ...