Isaca Certification CISM Isaca Study Notes

The most important consideration when establishing information security policies for an organization is to ensure that senior management supports the policies. Senior management support is essential for the successful implementation and enforcement of information security policies, as it demonstrates the commitment and accountability of the organization’s leadership to information security. Senior management support also helps to allocate adequate resources, establish clear roles and responsibilities, and promote a security-aware culture within the organization. Without senior management support, information security policies may not be aligned with the organization’s goals and objectives, may not be communicated and disseminated effectively, and may not be followed or enforced consistently.

Job descriptions that include requirements to read security policies are a way of ensuring that employees are aware of their security obligations, but they are not the most important consideration when establishing information security policies. The policies should be relevant and applicable to the employees’ roles and functions, and should be reinforced by regular training and awareness programs.

The policies should be updated periodically to reflect the changes in the organization’s environment, risks, and requirements, but updating them annually may not be sufficient or necessary. The frequency of updating the policies should depend on the nature and impact of the changes, and should be determined by a defined policy review process.

The policies should be aligned with industry best practices, standards, and frameworks, but this is not the most important consideration when establishing information security policies. The policies should also be customized and tailored to the organization’s specific context, needs, and expectations, and should be consistent with the organization’s vision, mission, and values. References =

ISACA, CISM Review Manual, 16th Edition, 2020, pages 37-38.

ISACA, CISM Review Questions, Answers & Explanations Database, 12th Edition, 2020, question ID 1009.

A data classification framework (C) is the foundational step for privacy compliance because organizations must first understand what data they have, its sensitivity, and how it is regulated. Privacy obligations vary by data type (e.g., personal, sensitive, regulated), and classification enables appropriate handling, protection, retention, and access controls. Awareness training (A), SIEM (B), and DLP (D) are all valuable controls, but they are ineffective or misaligned without knowing which data requires protection and at what level. CISM governance guidance emphasizes that compliance and control selection must be risk- and data-driven, making classification an essential prerequisite for privacy programs.

A risk analysis (D) best justifies spending on a compensating control because it quantifies or qualifies risk exposure and residual risk, providing a business-based rationale for investment. CISM stresses that control decisions must be driven by risk, not by the existence of vulnerabilities alone. Root cause analysis (A) explains why an issue occurred, vulnerability assessments (B) identify weaknesses, and emerging trends (C) provide context—but only risk analysis connects threats, vulnerabilities, impact, and likelihood to justify expenditure.

Before outsourcing any application or service, an information security manager should first determine the required security controls for the new solution, based on the organization’s risk appetite, security policies and standards, and regulatory requirements. This will help to evaluate and select the most suitable provider, as well as to define the security roles and responsibilities, service level agreements (SLAs), and audit requirements. References: