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CompTIA CySA+ Study Guide: Exam CS0-002
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The software development life cycle describes the path that software takes from planning and requirements gathering to design, coding, testing, training, and deployment. Once software is operational, it also covers the ongoing maintenance and eventual decommissioning of the software. That means that participating in the SDLC as a security professional can have a significant impact on organizational software security.
There are many SDLC models, including the linear Waterfall method, Spiral’s iterative process-based design, and Agile methodologies that focus on sprints with timeboxed working sessions and greater flexibility to meet changing customer needs. Other models include Rapid Application Development’s iterative prototype-based cycles, the V model with parallel test cycles for each stage, and the Big Bang model, a model without real planning or process. Each SDLC model offers advantages and disadvantages, meaning that a single model may not fit every project...
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