Games giant Activision took down “Call of Duty: WWII” due to hackers exploiting a flaw in a specific PC version of the game, which led to several players getting their computers hacked, TechCrunch has learned. Last week, Activision announced that it brought offline the Microsoft Store version of “Call of Duty: WWII,” a 2017 first-person shooter, as the company was investigating “reports of an issue,” without specifying what the issue was. The company had just launched that version of the game, a...