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KRIs are most effective when they signal that a risk is nearing or exceeding predefined thresholds. This early warning enables organizations to take proactive measures to mitigate risks before they materialize into significant issues.

The most essential factor for an effective change control environment is the separation of development and production environments. This ensures that changes are tested and verified in a controlled environment before being implemented in the live environment, reducing the risk of errors, failures, and unauthorized modifications. Business management approval of change requests, requirement of an implementation rollback plan, and IT management review of implemented changes are important elements of change control, but they are not as essential as the separation of environments. References = Risk and Information Systems Control Study Manual, 7th Edition, Chapter 3, Section 3.2.1.2, page 123.

Key Control Indicators (KCIs) measure the performance and effectiveness of controls. When regulatory objectives are tied to technical controls (like firewalls or SIEM), KCIs can detect when those controls are failing or operating outside of thresholds. This allows proactive remediation before compliance violations occur.

 A cost-benefit analysis is a tool that compares the costs and benefits of different alternatives, such as updating software or continuing to use end-of-life software. A cost-benefit analysis can provide the mosthelpful information to justify investing in updated software, as it can show the potential savings, benefits, and risks of each option, and help the decision-makers choose the best course of action. A cost-benefit analysis can also include qualitative factors, such as security, compliance, performance, and customer satisfaction, that may be affected by the software update. References = ISACA Certified in Risk and Information Systems Control (CRISC) Certification Exam Question and Answers, Question 231. CRISC by Isaca Actual Free Exam Q&As, Question 8. CRISC: Certified in Risk & Information Systems Control Sample Questions, Question 231. CRISC Certified in Risk and Information Systems Control – Question231.