For in depth technical work, try doing "crackme" puzzles. Google for them and you'll find some. Also, take a look at fravia's pages (I wonder if he's still aliv

For in depth technical work, try doing "crackme" puzzles. Google for them and you'll find some. Also, take a look at fravia's pages (I wonder if he's still alive?) Edit: http://www.woodmann.com/fravia/ http://www.woodmann.com/fravia/