BAWWWW! HAXXORZ! ANON! *sob*
Ahem. Don't you mean, "Ebaums did it"?
Really though, this sucks. Hackers should use their powers for good and not evil. Unless she was also using the website to host something of a questionable nature (lol open directories) or she had "admin" or something equally silly as a password, then there is no remotely reasonable reason for this to happen. Its just rude.