It's a good thing that these guys found the vulnerability instead of a bunch of crooks.
In the last few weeks, however, Check Point Research discovered multiple vulnerabilities in Epic Games’ online platform that could have allowed a threat actor to take over the account of any game player, view their personal account information, purchase V-bucks, Fortnite’s virtual in-game currency and eavesdrop on and record players’ in-game chatter and background home conversations.
