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A Software Development Lifecycle (SDLC) is a series of processes or workflows performed to build high-quality software applications. Vulnerabilities can be introduced in the software development, testing, and deployment phases. Open source security enables security vulnerabilities to come in easily. The SDLC is vital for software companies and their several stakeholders to better allocate the resources necessary to deliver high quality applications. It also helps engineers in the whole cycle (developers, DevOps and QA) coordinate with one another.