In a reflection on modern software development practices, the author highlights the significant challenges of integrating security late in the development lifecycle, as seen in a personal experience with a large B2C financial project. Traditionally, security was addressed at the end, often causing delays and ongoing issues post-release due to the lack of early-stage security consideration. The article advocates for the DevSecOps approach, which emerged to integrate security throughout the software development process, aligning with Agile and DevOps methodologies. This approach, known as "shift left," ensures security is considered from the planning stages, involving all team members in security practices, thus preventing bottlenecks and allowing for faster, more secure development. The author emphasizes that DevSecOps enhances velocity by automating security tasks as code, providing a scalable and repeatable security process, and ensuring that security is a shared responsibility among all team members, ultimately reducing costs and improving project outcomes.