For example, in the planning phase, traditional SDLC emphasizes budget allocation, timelines and stakeholder input, with security embedded from the outset.

The third phase is what more companies are now adopting — the idea of software security as tooling in the SDLC.

As mentioned, there are many entry points and SDLC phases where defects and issues can be introduced into an enterprise system. Often, these issues cannot be discovered by testing alone.