The idea of shifting security left in the SDLC upends the traditional notion of how, when, and where security controls can be integrated into software development. “Shift left” means finding ways for these formerly siloed groups to work together to develop rapid, but also secure, code releases.
Best practices for shifting security left in the SDLC include:
Create a policy for developers to fix vulnerabilities.
Fail fast, fix fast.
Integrate Static Application Security Testing (SAST) .
Scan code as developers write it.
Set up automated DASTscans to monitor for changes in code.
Leverage both SAST and DAST to get the advantages of both kinds of testing.