I am writing to report a serious security issue with my Bungie account. I only play Destiny 2 via Steam and have never used the Epic Games platform. However, I was recently informed by a friend that someone accessed my account via Epic Games and was using it to cheat in PvP mode with low-level gear. As soon as I learned about this, I logged into the game through Steam to forcefully remove the unauthorized user. Following this, I immediately changed my Steam password and updated the email address linked to my Bungie account. However, I cannot unlink the unauthorized Epic Games account from my Bungie account, as I do not know who linked it. The unauthorized user is still attempting to log into my account, and I am unable to disable cross-save or unlink the Epic Games account myself.