Battle.net or game account hacked or compromised
What to do if your Activision account has been compromised.
What to do if the account of a friend or family member was compromised.
What to do if a friend or family member has access to your account and has updated the account details, are preventing you from accessing the account, or has taken gold or items
Reporting an Exploit or Hack
What to do if you cannot log in after you changed your password
What to do if your account was hacked despite having a Blizzard Authenticator
How to resolve being unable to log in due to this error
Regaining access to a Battle.net Account when the email is not accessible.
How to update the email for Parental Controls.