Software is at the heart of practically every company, service, and interaction in the hyperconnected digital world of today. Software programs become more appealing targets for cyber threats as they get more intricate and essential to operations. Because of this, software security testing becomes a strategic necessity rather not only a technical one. Gaining expertise in software security testing certification entails learning how to identify, stop, and address vulnerabilities before attackers can take advantage of them, protecting users and companies in the process. Software security testing is the process of assessing applications for flaws that can allow for system compromise, data breaches, or illegal access. It focuses on how the software acts in hostile environments, going beyond functional testing. From static code analysis and dynamic testing to penetration testing and threat modeling, you will be prepared to conduct a broad range of tests on web, mobile, API, and cloud-based applications as an expert. Proficiency in this area necessitates mastering both automated and manual techniques. Automation increases efficiency and coverage, but manual testing exposes logical mistakes and weaknesses in business logic that tools can miss. During this course, you will learn how to integrate security into the software development lifecycle (SDLC) and allow safe DevOps strategies to guarantee that security is embedded from design. Creation, implementation, and execution of test strategies incorporating both functional and security testing techniques are the main responsibilities of an Advance software security tester. They consist of vulnerability scanning, penetration testing, static and dynamic analysis, and security-focused code reviews. Early and continuous integration of security into the QA process contributes to the development of a more robust and secure product, which is in line with the objectives of an advanced software security tester.