Blizzard or game account hacked or compromised.
Information on using Diablo III Account Rollbacks after your account is hacked.
If you forgot your Blizzard account email, you can use your phone number to find your account.
Phishing scams can take many forms—fake websites, suspicious emails, and threatening in-game whispers are the most common types.
How to move a game account to a different Blizzard account
How to appeal an account action.
How to report a player for cheating in Diablo III
How the silence penalties work
Information on the Diablo III Account Ban or Suspension, and how to appeal the decision.
Steps to link a Blizzard account to a Humble Bundle account.