I remember reading that the "hack" was simply using the factory password ( Username: admin Password:password) on Nasa's router. I don't know how true that is but it's hilarious if accurate.
I didn't buy his "severely autistic" defense, but opposed extradition because the hack took place in the UK and wasn't a serious crime here (in fact I'm not even sure it was a criminal offence at the time).
RE: The Man who hacked NASA and the FBI.