Just a sort of anti-PSA today to tell you not to worry. Over the weekend, some scurrilous types found an exploit in Minecraft’s authentication server which allowed them to log in as and impersonate other players. No passwords or other personal details were compromised; it was just a matter of your reputation possibly being besmirched. Happily, Mojang rallied around, dropped the game offline briefly, and got it fixed with admirable speed.
Buy our t-shirts, yeah
They're far more stylish than your average video game website tat.