The CIO’s first course of action should be to report the risk to executive management, as they are ultimately responsible for the strategic direction and risk appetite of the enterprise. Reporting the risk will help to ensure that executive management is aware of the potential impact and consequences of the change in business direction, and that they can make informed decisions about how to proceed. Reporting the risk will also help to establish a clear communication channel and a collaborative relationship between the IT function and the business function, which are essential for effective IT governance and risk management.

Recommending delaying the business change is not the first course of action, as it may not be feasible or desirable for the enterprise. The CIO should not interfere with the business objectives or priorities without first understanding the rationale and expectations of executive management. The CIO should also not assume that the risk is unacceptable or unmanageable without conducting a proper risk assessment and analysis.

Implementing IT changes to align with the plan is not the first course of action, as it may be premature or inappropriate for the IT function to act on the change in business direction without first consulting with executive management and other stakeholders. The CIO should not initiate or approve any IT changes without first understanding the scope, requirements, benefits, and risks of the change, and without following the established change management process and procedures.

Planning for the corresponding IT reorganization is not the first course of action, as it may be unnecessary or counterproductive for the IT function to restructure its resources, roles, and responsibilities without first communicating with executive management and other stakeholders. The CIO should not assume that the change in business direction will require a major IT reorganization without first evaluating the current and future state of the IT environment, and without considering the impact on the IT performance, efficiency, and effectiveness.

References := IT Risk Resources | ISACA, Risk Management Best Practices section. IT Risk Management Process & Frameworks - ProjectManager, How to Manage Risk in IT section. Complete Guide to IT Risk Management | CompTIA, How to Implement an Effective Risk Management Strategy section. IT Risk Management Best Practices | Risk Management Strategies, Continuous Evaluation section. 6 Best Practices in Cybersecurity Risk Management - Indusface, Communication of Risks section.