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 A source code review is the process of examining and analyzing the source code of an application to identify any vulnerabilities, errors, or flaws that may compromise the security, functionality, or performance of the application. A source code review is the most effective way to identify an application backdoor prior to implementation, as it can detect any hidden or unauthorized code that may allow unauthorized access, bypass security controls, or execute malicious commands. A source code review can also help to improvethe quality and reliability of the application, and ensure compliance with the coding standards and best practices. References = CRISC Review Manual, 7th Edition, page 181.

The next step for the risk practitioner when a key external technology supplier refuses to provide control design and effectiveness information is to review the supplier’s contractual obligations. The contract between the organization and the supplier should specify the terms and conditions for the provision of the service or function, including the requirements for control design and effectiveness information. By reviewing the contract, the risk practitioner can determine if the supplier is breaching the contract and take appropriate actions to enforce the contract or terminate the relationship. Escalating the non-cooperation to management, excluding applicable controls from the assessment, and requesting risk acceptance from the business process owner are other possible steps, but they are not as effective as reviewing the supplier’s contractual obligations. References = ISACA Certified in Risk and Information Systems Control (CRISC) Certification Exam Question and Answers, question 11; CRISC Review Manual, 6th Edition, page 144.

A comprehensive and documented IT risk management plan provides a structured approach to identifying, assessing, and mitigating IT risks. Integrating this plan into the organization's strategic planning ensures that IT risk considerations are aligned with business objectives and are factored into decision-making processes at the strategic level.