It has been estimated that it is about 200 times more expensive to fix a problem when an IT system is in Production compared to fixing at the requirements analysis step during Development. The factor falls to about 4 for small IT projects but can exceed 500 for very large projects. Even if these figures are only vaguely close to the truth, the implications for quality assurance processes in IT development are crystal clear, as are the benefits of splitting massive projects into discrete sub-projects.
More change management, bugs and secure systems development resources
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