Your friend was running an outside program that likely tried to hook into Destiny. The pitfalls of PC gaming is being held to the higher standard. The other person you mentioned will likely be met with a ban, though that type will more than likely just make a new account and be right back to cheating. Probably one of the jackwagons that runs "recovery services". Don't run unsupported/cheat programs while playing online games on PC. Edit - You might as well get your money back while you can... You won't be seeing a response from Bungie on this post.