The article discusses the importance of Application Security (AppSec) as a comprehensive approach that integrates security into every phase of software development. It emphasizes the need for a shift in perspective where security is viewed as an integral part of the process rather than an afterthought. Key elements include creating security policies based on industry standards, providing security training for developers, and utilizing automated and manual security testing methods. The article also highlights the role of artificial intelligence and machine learning in enhancing security testing capabilities and stresses the importance of continuous learning and improvement in AppSec programs.