What if they accessed the email, the private wallet keys
If OP deposits into
his staked address, he'll find out if it's compromised....
It has to be something worth it since some hackers are smart enough to be able to tell when someone keeps tabs on them; they will not bail out for a small sum; instead, they will wait for the big drop before walking away.
This is not the first hijacked account this year; I believe the hackers are becoming smarter, and only 2FA can completely shut them down.