Friend of mine did this on two phishing attempts. Both times it turned out to be a pentest.
Maybe you could even delete any data they might have successfully phished:
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
Confirm
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Friend of mine did this on two phishing attempts. Both times it turned out to be a pentest.
Maybe you could even delete any data they might have successfully phished: