Just like testing the performance of an application is vital, it is also important to perform security testing with web applications for real users. Security testing is executed to detect vulnerabilities in a web application to ensure that the data is protected and that the application can work as required.
Why is Web Application Security Testing Significant?
Among different types of applications, web applications require more security as they concern large amounts of important information and online transactions. Web applications must be tested to guarantee that they are not vulnerable to any cyber-attacks.
The tester is also expected to understand the basics of SQL injection and XSS. Though the number of defects concerning the security of web apps is comparatively low, the tester must take note of every defect detected, in detail.
While undertaking security testing, here is a list of vulnerabilities a tester must keep a check on:
The most common way for a cyber attacker to acquire access to a web app is by decrypting the password. They may try to guess the password or use a password cracking tool to accomplish the same. Hence, a security tester must ensure that the app requires a strong password that must be encrypted.
It is easy to edit the URL in a browser. Lack of protection can cause the users to be redirected and confidential data may be leaked. Hence, the security tester must review if the application passes vital data through its URL string. The web app becomes vulnerable to URL manipulation when the app uses the HTTP GET method to pass data between the server and the client, which is passed in parameters in the query string. A security tester can change the value of the parameter to see if the server accepts it.
What are Vulnerabilities?
A vulnerability is any error or weakness in the system’s security procedures, design, implementation, or internal controls that may result in the violation of the security policy of the system.
Let’s take a look at some of the reasons for vulnerabilities.
Penetration Testing Phase
Essential Tools for Web Application Security Testing: