An ITIL Change Management process will guide you towards understanding the financial implications of a change prior to starting the change process. This has real benefits as it may prevent an organization from starting a change then losing money later as they realize the funds are simply not available for completion. Aides in improving the security aspects of the organization with respect to IT.
This is because a security manager or security responsible person should be on the change team, especially for major, high potential impact changes. The Change Manager will ensure that the risks of the change have been fully assessed prior to starting the change. Risk assessment methodologies form part of other ITIL processes, but the Change Manager has the end responsibility of making sure that all potential impact areas have been addressed. As a by-product they will also ensure that a sound back-out plan exists that is viable, in case an unforseen event occurs. With a sound Change Management process we can expect an overall declining cost of change as fewer and fewer changes have to be backed out. Any ITIL process has the potential to increase the credibility of the IT group, as they offer a higher quality of service, combined with an overall professionalism that can be lacking in ad-hoc activities. Refer also to CHG7100 Change Management Review Document for an assessment of your current Change process
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