UPDATE APRIL 6, 2019:I was able to reclaim my account successfully today! Thank you!
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Make sure you have a complicated password that you don't use elsewhere.
Consider using a unique username that is unrelated to your email and other accounts you own.
Consider changing your password periodically.
Don't reuse your password on other sites.
I know this from personal experience...
My account on bitcointalk was compromised and they changed the email address so I can't reset it! Just yesterday I messaged the admin Cyrus with a signed message from the first bitcoin address I posted on the account. I still haven't heard back from Cyrus, but I hope he sees my message soon. The person who took over my account doesn't seem to speak English as a first language, and even features a different identity now...he's spamming for some bounty campaigns, but he left all my old posts unaltered. Luckily I still own the bitcoin address and private keys posted by my account to sign and verify a message using that. It still sucks though. You don't want this to happen to you. I don't think I even got an email saying my account's email and other things had changed, at least I didn't see it. So again:
Make sure you have a complicated password that you don't use elsewhere.
Consider using a unique username that is unrelated to your email and other accounts you own.
Consider changing your password periodically.
Don't reuse your password on other sites.^^>^^^^>^^^^^^>^^^>^^^^>^^^^^>^>^^^^>^^>
Help!My bitcointalk account kworrom was stolen from me!
Help! I have messaged admins
Cyrus and
Theymos with a signed bitcoin message, but no reply!
Help!I have messaged
Hilariousandco and
mprep about suspending the person who stole my account, but no action taken!
Help!I've posted a public signed BTC message and link to and unedited message where I posted address as kworrom:
https://bitcointalk.org/index.php?topic=4864633.msg44391814#msg44391814 MY ACCOUNT KWORROM WAS STOLEN! PLEASE HELP!-----BEGIN BITCOIN SIGNED MESSAGE-------------------------------------------------------------------
This is morningcoffee. My account kworrom was stolen. Please help! This message was created on 9/20/18.
-----BEGIN SIGNATURE----------------------------------------------------------------------------------
189EGkRQHkzPwqrzvaabgAVj696eL6uQeB
HGs4ofERMfkg+yo8E2+HxRsfYxdr8xmfRuGdIB0CMJL4eAIZzicdvnMlJ6WzxvXr9q2hrXblDcLIBN5iLBWSGTM=
-----END BITCOIN SIGNED MESSAGE----------------------------------------------------------------------
AN UNEDITED POST WHERE I USED ADDRESS: https://bitcointalk.org/index.php?topic=246400.msg2633111#msg2633111