Is lightweight, secure, flexible, customizable and simple application that allows you to protect and controll access for your page within your web site. The Authentication System is meant for programmers and non-programmers alike who need a powerful but easy to use (you have to add only a few rows to secure a page). The system include Simple PDO CRUD class that can perform any operation on any database supported by php PDO (MySQL, PostGreSQL, Oracle, SQLite and more), but right now the class has been built to support only database MySQL.