I knew the security cameras one, it's not actually a hacking guide.. but let's say.. google tricks.
Ever saw a moderator posting cracking tutorials?
Cracking an Application Method One (PART 1)
Cracking an Application Method One (PART 2)
And a hacking script posted by the Admin:
Joomla! Hacking Script
Lol. Hey, to secure your own stuff, first you need to know how it is hacked...