Always good to alert the unwary .(I'm way too cynical lol).

Reading your post made me think of a way they might try to gain access to account...
(I'm not techy so forgive any idiotic, impossible statements)

Hi, I'm themarkymark (y) <

vote for me as witness and receive an upvote with every post (or something).

...and then links to a skin of the same page as the witness vote.
.... enter passcode...blah blah.

I haven't seen this one yet - but surely it's only a matter of time...

My girlfriend will upvote you as a witness, later.
I can't for ethical bot voting reasons, sorry. (although I did use buildawhale back in the day...)