Some soldiers are attacking a castle and some soldiers are defending the castle from the wall This photo is similar to defense and attack in the concept of DevSecOps

DevSecOps Best Practices 2023: Setting the Benchmark for Security

The definition of DevSecOps Model, at a high-functioning level, is to integrate security objectives as early as possible in the lifecycle of software development. While security is “everyone’s responsibility,” DevOps teams are uniquely positioned at the intersection of development and operations, empowered to apply security in both breadth and depth.