Why is a methodology important in the implementation of information security? How does a methodology improve the process?
A: A methodology is a set of methods and structured procedures used to solve a problem. Information security is a large, ongoing problem, and so a clear and dynamic methodology is needed to handle it. The systems development life cycle (SDLC) is a methodology used for the design and implementation of an information system. The SDLC ensures that development occurs in a well-structured and comprehensive fashion by listing out necessary steps for an organization’s employees. This reduces the chances of an event occurring that could compromise the project goal, and improves the overall probability of success of the system. Once the system is implemented, it must constantly be maintained and modified in order for it to be reliable in the changing environment of information technology.
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