In part 3 of my PHP Security video tutorial I go over the most vulnerable ways hackers attack websites. I focus a lot on authentication and client side attacks. Specifically I go over the tools and techniques used to:
I also briefly go over cross site scripting, sql injection, session hijacking, buffer over flows and a lot more.
If you missed part 1 it is available here PHP Security Pt 1.
Leave any questions and comments below.