The primary difference between DevOps and DevSecOps lies in the integration of security practices. DevOps is a methodology that emphasizes collaboration between development and operations teams to automate the software development process, including continuous integration (CI) and continuous delivery (CD). However, DevOps does not inherently prioritize security as part of the development process.

DevSecOps, on the other hand, extends the DevOps principles by integrating security into every aspect of the software development lifecycle. This approach is often summarized by the term ''shift-left,'' which means incorporating security from the beginning and throughout the development process, rather than treating it as an afterthought or a final step before deployment. In DevSecOps, security is considered a shared responsibility among all team members, and it is addressed through continuous security processes that are as integral as CI/CD in the DevOps culture.