Learn how to create a simple login system with php and mysql

PHP is a terrific language for the rapid development of dynamic Websites. It also has many features that are friendly to beginning programmers, such as the fact that it doesn't require variable declarations. However, many of these features can lead a programmer inadvertently to allow security holes to creep into a Web application.

Covering the biggest session misconceptions. Understand once and for all what they are all about.

In this tutorial we discuss the techniques used to build web database applications that authenticate, authorize, and protect the data that is transmitted over the Web

In this tutorial we'll speak about the dangers mail() brings with it.

This tutorial helps you to know more about Email spam protection with gravatar enabled!

This tutorial is about Protection from SQL Injection

We're going to be constructing an Apache-like, in fact we're going to be emulating the Apache ACL in its entirety. Although you could quite easily use Apache, this allows you to see how it's all done and even extend onto it to allow temporary bans which expire after a certain amount of time - if you were that way inclined.

In this tutorial the author tries to teach you an experimental method for hiding CSS files

Protect yourself, your server and your scripts. Also covers session fixation and SQL injection.

This tutorial contains some advanced techniques for securing a website

This tutorial is about Preventing Direct Access To A File with PHP

Learn how to salt hashes for increased security

In this tutorial you will learn how to avoid unwanted access to your include files