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The CISA Prep Guide Mastering the Certified Information Systems Auditor Exam phần 8

giải pháp tự động tương tác với một cơ sở hàng ngày. Như được mô tả trước đó trong phần về quản lý nhà cung cấp, một số kỹ thuật tăng cường thực hành tốt nhất nên được xem xét để giải quyết những nhu cầu này trong một nguy cơ giảm nhẹ và có hiệu quả. Nó có thể là thận trọng để thay đổi | 402 Chapter 6 automated solutions they are interacting with on a daily basis. As described earlier in the section about vendor management several of the enhancement best-practice techniques should be looked to for addressing these needs in a risk mitigating and effective manner. It might be prudent to aggregate changes and enhancements into a newer version of the product especially if production functions are changing significantly along with the application modifications and new processes or functions are being introduced. This situation enables the reduction of risk because integrated testing and regression testing can evaluate not only more changes at once but also the interaction of these changes with the application and each other. All of the related documentation procedures training manuals users operations and maintenance manuals along with the necessary and important recovery and contingency planning documentation will need to be kept updated as changes occur. This task is often difficult to do when changes dribble in and overall processes and configurations drift over time until the documentation would not be adequate to serve the purpose it was initially created to address for the organization. Packaging enhancements into version upgrades and new releases is a way to reduce the overhead of change and limit the impact of change to the users at the same time. You should assess changes and the process for planning and implementing them for this opportunity and examine the business needs and change volume to see whether this makes sense. It is usually a more controlled way to introduce change and enables a better-quality product and ultimately more customer satisfaction as well . The system development life cycle then turns on itself because the product releases are no longer sufficient for meeting the challenges of future needs and because product maturity and technological advancements continue over time. Sooner or later a new product or production idea is