Where to find a hacking course
Where to find a hacking course
if you can teach yourself well then just look up network security auditing in google. get some progs. which can range from free to thousands of dollars.
its more termed security than hacking, and is usually a third year component of a computer science degree.
any security textbook should go into at least some detail on the subject, google mark p spivey for textbooks which go into practical techniques