Aside from the courses/exercises mentioned above you could also give Google Gruyere a go: http://google-gruyere.appspot.com/ http://google-gruyere.appspot.com/

Aside from the courses/exercises mentioned above you could also give Google Gruyere a go: http://google-gruyere.appspot.com/ http://google-gruyere.appspot.com/ If you want to go in-depth I learned a lot by just reading interviews (and following the links) from the 'How to Break Into Security' series of KrebsOnSecurity, here's the ones I had in my bookmarks (there are more if you use the search) Thomas Ptacek (tptacek) Edition: http://krebsonsecurity.com/2012/06/how-to-break-into-security-ptacek-edition/ http://krebsonsecurity.com/2012/06/how-to-break-into-securit... Charlie Miller Edition: http://krebsonsecurity.com/2012/08/how-to-break-into-security-miller-edition/ http://krebsonsecurity.com/2012/08/how-to-break-into-securit... Richard Bejtlich: http://krebsonsecurity.com/2012/07/how-to-break-into-security-bejtlich-edition/ http://krebsonsecurity.com/2012/07/how-to-break-into-securit...