The third part of the tutorial series will present you with a fully functionable solution for a login and signup page that activates a RECaptcha, via Zend_Captcha as a Service, when the user attempts to login/signup 3 times and fails. The tutorial will also show you how to use your models and how to structure your bussiness logic inside your module based application.

The following tutorial will show you how you can improve your overall security in your PHP application (the tutorial is based on Zend Framework 1.10 and on the use of Zend_Auth but you can easily adapt it to something for your own needs). You will learn how to extend the Zend_Auth class into a highly customizable & secure Project Authentication class