How do I secure a haxord acc?

So got a plenty accs i haxed

Now i wanna sell them (they didnt log in for a long time, already played on them for weeks)

The prob is they still got the original email and security questions

How can i get rid of their email and put in my or any other email?
Same goes for security questions..?

Im sorry if wrong place here

Pretty sure you're in the wrong place.

Sorry mate wrong community, we dont allow hacking or hacking discussion.