Security testing is the process of evaluating the security of an application or system by simulating an attack or breach attempt. It is performed to identify vulnerabilities or weaknesses in the system, assess the level of risk, and recommend countermeasures to mitigate those risks. The primary goal of security testing is to uncover potential security vulnerabilities before they can be exploited by attackers. This involves a comprehensive assessment of the system’s security controls, including authentication, authorization, encryption, and other protective measures. There are several types of security testing, including network security testing, web application security testing, mobile application security testing, and wireless security testing. Each of these testing types focuses on different areas of security and requires different tools and techniques to be effective. Some common techniques used in security testing include vulnerability scanning, penetration testing, and ethical hacking. These methods help security testers identify potential security risks and weaknesses in the system and provide recommendations for how to improve security. Overall, security testing is an essential part of any comprehensive security program, helping to ensure that systems and applications are secure and protected against potential attacks.