The Certified Information Security Manager (CISM)

According to the CISM Review Manual, the primary objective when establishing a new information security program is to execute the security strategy that has been defined and approved by the senior management. The security strategy provides the direction, scope, and goals for the information security program, and aligns with the business objectives and requirements. Minimizing organizational risk, optimizing resources, and facilitating operational security are possible outcomes or benefits of the information security program, but they are not the primary objective.

References = CISM Review Manual, 27th Edition, Chapter 3, Section 3.1.1, page 1151.

This approach is the best because it ensures that users have the minimum level of access required to perform their job functions, which reduces the risk of unauthorized access or misuse of data. User roles are defined based on the business needs and responsibilities of the users, and they can be easily managed and audited.

Email software packages that provide native encryption of messages use proprietary algorithms and formats that are not compatible with other email software packages. This means that the encryption cannot interoperate across product domains, and the recipients of encrypted messages must use the same email software package as the sender to decrypt and read the messages. This limits the usability and scalability of native encryption, and may also pose security risks if the encryption algorithms or formats are not well-tested or widely accepted. A common drawback of email software packages that provide native encryption of messages is that the encryption cannot interoperate across product domains1234. References = CISM Review Manual 15th Edition, page 206. The Top 10 Email Encryption Solutions In 2023 - Expert Insights2, The Best Email Encryption Services for 2023 | PCMag3, The Top 12 Email Encryption Services for 2023 - Right Inbox4.

A common drawback of email software packages that provide native encryption of messages is that the encryption cannot interoperate across product domains. This means that emails sent from one product cannot be read by another product, as the encryption keys used are not compatible. This can be a problem when sending emails to people who use different software packages, as the encrypted emails cannot be read.

Assessing the risk of noncompliance ensures that decisions are based on an understanding of the business impact and security implications.

“Before reporting or remediating, it is critical to assess the risk associated with the control bypass to make informed decisions.”

— CISM Review Manual 15th Edition, Chapter 2: Risk Management, Section: Risk Assessment*

Elapsed time between detection, reporting, and response is the most appropriate metric for evaluating the incident notification process because it measures how quickly and effectively the organization identifies, communicates, and responds to security incidents. The incident notification process is a critical part of the incident response plan that defines the roles and responsibilities, procedures, and channels for reporting and escalating security incidents to the relevant stakeholders. Elapsed time between detection, reporting, and response helps to assess the performance and efficiency of the incident notification process, as well as to identify any bottlenecks or delays that may affect the incident resolution and recovery. Therefore, elapsed time between detection, reporting, and response is the correct answer.

 The best approach to incident response for an organization migrating to a cloud-based solution is to revise the existing incident response procedures to encompass the cloud environment. This is because the cloud environment introduces new challenges and risks that may not be adequately addressed by the current procedures. For example, the cloud provider may have different roles and responsibilities, service level agreements, notification and escalation processes, data protection and privacy requirements, and legal and regulatory obligations than the organization. Therefore, the organization should review and update its incident response procedures to align with the cloud provider’s policies and practices, as well as the organization’s business objectives and risk appetite. The organization should also ensure that the incident response team members are trained and aware of the changes in the procedures and the cloud environment.

The other options are not the best approaches because they do not consider the specific characteristics and implications of the cloud environment. Adopting the cloud provider’s incident response procedures may not be feasible or desirable, as the organization may have different needs and expectations than the cloud provider. Transferring responsibility for incident response to the cloud provider may not be possible or advisable, as the organization may still retain some accountability and liability for the security and availability of its data and services in the cloud. Continuing to use the existing incident response procedures may not be effective or efficient, as the procedures may not cover the scenarios and issues that may arise in the cloud environment. References =

CISM Review Manual (Digital Version) 1, Chapter 4: Information Security Incident Management, pages 191-192, 195-196, 199-200.

Cloud Incident Response Framework – A Quick Guide 2, pages 3-4, 6-7, 9-10.

CISM ITEM DEVELOPMENT GUIDE 3, page 18, Question 1.

 Increasing accountability is the primary reason for ensuring clearly defined roles and responsibilities are communicated to users who have been granted administrative privileges due to specific application requirements. Administrative privileges grant users the ability to perform actions that can affect the security, availability and integrity of the application or system, such as installing software, modifying configurations, accessing sensitive data or granting access to other users. Therefore, users who have administrative privileges must be aware of their roles and responsibilities and the consequences of their actions. Communicating clearly defined roles and responsibilities to these users helps to establish accountability by setting expectations, defining boundaries, assigning ownership and enabling monitoring and reporting. Accountability also helps to deter misuse or abuse of privileges, ensure compliance with policies and standards, and facilitate incident response and investigation.

Clearer segregation of duties is a benefit of ensuring clearly defined roles and responsibilities, but it is not the primary reason. Segregation of duties is a control that aims to prevent or detect conflicts of interest, errors, fraud or unauthorized activities by separating different functions or tasks among different users or groups. For example, a user who can create a purchase order should not be able to approve it. Segregation of duties helps to reduce the risk of unauthorized or inappropriate actions by requiring more than one person to complete a critical or sensitive process. However, segregation of duties alone does not ensure accountability, as users may still act in collusion or circumvent the control.

Increased user productivity is a possible outcome of ensuring clearly defined roles and responsibilities, but it is not the primary reason. User productivity refers to the efficiency and effectiveness of users in performing their tasks and achieving their goals. By communicating clearly defined roles and responsibilities, users may have a better understanding of their tasks, expectations and performance indicators, which may help them to work faster, smarter and better. However, user productivity is not directly related to the security risk of granting administrative privileges, and it may also depend on other factors, such as user skills, motivation, tools and resources.

Fewer security incidents is a desired result of ensuring clearly defined roles and responsibilities, but it is not the primary reason. Security incidents are events or situations that compromise the confidentiality, integrity or availability of information assets or systems. By communicating clearly defined roles and responsibilities, users may be more aware of the security implications of their actions and the potential threats and vulnerabilities they may face, which may help them to avoid or prevent security incidents. However, fewer security incidents is not a guarantee or a measure of accountability, as users may still cause or experience security incidents due to human error, negligence, malicious intent or external factors. References =

CISM Review Manual 15th Edition, page 144

Effective User Access Reviews - ISACA1

CISM ITEM DEVELOPMENT GUIDE - ISACA2

Security metrics are the best way to determine the maturity of an information security program because they are quantifiable indicators of the performance and effectiveness of the security controls and processes. Security metrics help to evaluate the current state of security, identify gaps and weaknesses, measure progress and improvement, and communicate the value and impact of security to stakeholders. Therefore, security metrics are the correct answer.

 When investigating an information security incident, details of the incident should be shared only as needed, according to the principle of least privilege and the need-to-know basis. This means that only the authorized and relevant parties who have a legitimate purpose and role in the incident response process should have access to the incident information, and only to the extent that is necessary for them to perform their duties. Sharing incident details only as needed helps to protect the confidentiality, integrity, and availability of the incident information, as well as the privacy and reputation of the affected individuals and the organization. Sharing incident details only as needed also helps to prevent unauthorized disclosure, modification, deletion, or misuse of the incident information, which could compromise the investigation, evidence, remediation, or legal actions.

References = CISM Review Manual, 16th Edition, Chapter 4: Information Security Incident Management, Section: Incident Response Process, page 2311; CISM Review Questions, Answers & Explanations Manual, 10th Edition, Question 49, page 462.