I know two-step authentication is now the thing. Recently, my Facebook account was hacked, and I was asked to reset my password. Next, Facebook asked for my six digit Authenication code. I don't ever recall setting such a code. I sent Facebook an email in fact several, but no response. Can you suggest how I can fix this. They asked for my Driver's license, and I sent them a copy, but that didn't work.
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https://www.facebook.com/help/search?helpref=search&query=authentication%20code
Sounds like Facebook will send you this code when you click on something during the login/forgotten password/reset password process. https://www.facebook.com/help/132694786861712/?helpref=search&query=authentication%20code&search_session_id=9ee1d670acacc9361f785b30f4d7c189&sr=0
Don