Hasn't this person committed a crime if they are in the U.S.?[1]
Not that I think that this is morally wrong, just that I've always been concerned that people who try this and gain enough attention could face legal penalties. I would not do something like this without taking measures to stay anonymous. A similar case is the PS3 hacking case.
The world is large, so I'm not convinced this is an interesting question unless we're already certain where they are. We don't bother to discuss Indian or Chinese law on these matters either (even though both of those countries are also large).
Not that I think that this is morally wrong, just that I've always been concerned that people who try this and gain enough attention could face legal penalties. I would not do something like this without taking measures to stay anonymous. A similar case is the PS3 hacking case.
[1] https://www.law.cornell.edu/uscode/text/17/1201