PHP Security Guide: Overview
On 06/01/2012 OtherWhat Is Security?
Security is an important aspect to take into consideration for any web application. Security must be balanced with expense, usability. Security increase the value of your application and spares you of possible future problems.
Basic Steps to develop a more secure web application.
1. Consider illegitimate all users actions of your application and develop your application with this with this thought in mind.
2. Try to filter all external data.
3. Disable errors reporting to browser.