How to resolve being unable to log in due to this error
The login servers received invalid information
Log in with Blizzard allows third-party sites and apps to extend the Blizzard experience and leverage Blizzard Services.
How to obtain error logs for Blizzard games
Troubleshooting the BLZBNTBGS80000011 error.
How to remove your Blizzard Authenticator
Troubleshooting steps when you can log into your account management page but not the Blizzard Battle.net App
Using LogGoblin to gather Blizzard Battle.net desktop app logs.
Information on the BattleTag Change service.
Information on Blizzard Phone Notifications