PHP Security by Example

Nice flash presentation that will provide you with a good foundation on how to make your PHP apps more secure.

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PHP – Top Ten Security Vulnerabilities

These vulnerabilities can, of course, exist in PHP applications. Here are some tips on how to avoid them. I've included related links and references where relevant.

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Top 7 PHP Security Blunders

Many of the PHP features can lead a programmer inadvertently to allow security holes to creep into a Web application. The popular security mailing lists teem with notes of flaws identified in PHP applications, but PHP can be as secure as any other language once you understand the basic types of flaws PHP applications tend to exhibit.

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HOW TO: Create a secure PHP login script

This article explains how to create a secure PHP login script that will allow safe authentication. Features remember-me function using cookies, validates logins on each request to prevent session stealing.

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Secure Your PHP Scripts

This is a great guide that illustrates common vulnerabilities in PHP scripts and how to fix them.

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