I didn't have 2fa on!!! i didn't know what "Google authenticator" was until it happened.
So I immediately went to my email and found an ip I don't recognize from moscow 3am this morning
But I've had another ip from bulgaria yesterday!
I froze my account from my email...but is it too late?
='(
Your account got hacked and the reason may be that you are using same password in any other site or recently did you signed a new account where you used same password of poloniex account that is why your account got hacked. You have to contact the support for the help as they can only help you.