This is really sad to read.
I'd say 99.999% of her fans love and respect her too much to ever pry into her private life even given the opportunity. But there are other people who just see her as a hot piece of meat and would stop at nothing to see more intimate pics of her. The downside of fame and being such a pretty woman.
Those security questions on Yahoo and Google are a joke. I have to believe that's how most hackers gain access rather than actually cracking a password or through keyloggers. Anyway, you would think Alizee would have a private Twitter/Facebook as well as ones to use to interact with the public. Let's hope this works itself out soon.