In this article, we will introduce you to web applications hacking technique and the counter measures you can put in place to protect against such attacks. Poorly written code for web applications can be exploited to gain unauthorized access to sensitive data and web servers. This has prompted many organizations to develop web-based applications that users can use online to interact with the organization. More people have access to the internet than ever before. In a recent survey, only 15% of business owners saw security as a challenge when more than half had reported being hacked and of that, only 6% of small businesses don’t have anyone handling their online security.