Hacking is not always bad. It depends on why it is being done. In some cases it may be undertaken to learn specific hardware to unlock the full potential. Just look at some of the amazing tech demos people have made on the NES or Commodore 64 in recent times.
I hacked my diary from grade 4 because I threw out the keys. 0-0
I got hacked on this online game I play. They changed the password and I emailed the creators and they got my account back 2months later. They permaed the user who hackedme.