OWASP (such as testing guide) would be a good place to start or simple books such as Innocent Code / Web hacking Exposed. Having prior experience in server-sid

OWASP (such as testing guide) would be a good place to start or simple books such as Innocent Code / Web hacking Exposed. Having prior experience in server-side coding will help massively. Just like many other professions hacking/breaking is all about practising - you can safely hone your skills on these : http://ha.ckers.org/blog/20090406/hacking-without-all-the-jailtime/ http://ha.ckers.org/blog/20090406/hacking-without-all-the-ja...