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php,sql,security

Hardening PHP: SQL injection - Complete walkthrough

Below are the slides from the presentation I gave on SQL injection at last year's OWASP Poland Chapter meeting. The materials teach how to use prepared statements, how to escape and write secure stored procedures. Many PHP projects are covered - PDO, Propel, Doctrine, Zend Framework and MDB2. Multiple gotchas and caveats are included. I discuss why escaping is usually the wrong choice, which practices to avoid or follow and how stored procedures sometimes offer no protection at all.

I tried to make this as complete as possible, so a PHP developer could learn how to protect his applications no matter what framework / database he uses.


English version


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