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The best starting point for a newly hired information security manager who has been tasked with identifying and addressing network vulnerabilities is C. Penetration testing. This is because penetration testing is a method of simulating real-world attacks on a network to evaluate its security posture and identify any weaknesses or gaps that could be exploited by malicious actors. Penetration testing can help the information security manager to assess the effectiveness of the existing controls, prioritize the remediation efforts, and demonstrate compliance with the relevant standards and regulations. Penetration testing can also provide valuable insights into the network architecture, configuration, and behavior, as well as the potential impact and likelihood of different types of attacks.

References = CISM Review Manual 15th Edition, Chapter 4, Section 4.2.1, page 2091; CISM Review Questions, Answers & Explanations Manual 9th Edition, Question 50, page 14

 The CEO is the best able to influence the security culture within an organization because the CEO sets the tone and direction for the organization and has the authority and responsibility to ensure that the organization’s objectives are aligned with its strategy. The CEO can also communicate the importance and value of information security to all stakeholders and foster a culture of security awareness and accountability. The CISO, CIO and COO are important roles in information security management, but they do not have the same level of influence and authority as the CEO. References = CISM Review Manual, 16th Edition, page 221; CISM Exam Content Outline, Domain 1, Task 12

The Chief Information Security Officer (CISO) is responsible for leading and coordinating an organization ' s information security program, and as such, is in a prime position to influence the security culture within the organization. The CISO is responsible for setting policies and standards, educating employees about security risks and best practices, and ensuring that the organization is taking appropriate measures to mitigate security risks. By demonstrating a strong commitment to information security, the CISO can help to create a security-aware culture within the organization.

 A tabletop exercise is a simulation of a potential incident scenario that involves the key stakeholders and tests the roles, responsibilities, and procedures of the incident response plan. It is the best way to determine the effectiveness of the plan because it allows the participants to identify and address any gaps, weaknesses, or ambiguities in the plan, as well as to evaluate the communication, coordination, and decision-making processes. A tabletop exercise can also help to raise awareness, enhance skills, and improve teamwork among the incident response team members and other relevant parties.

Labeling information according to its security classification enhances the likelihood of people handling information securely. Security classification is a process of categoriz-ing information based on its level of sensitivity and importance, and applying appropri-ate security controls based on the level of risk associated with that infor-mation1. Labeling is a process of marking the information with the appropriate classifi-cation level, such as public, internal, confidential, secret, or top secret2. The purpose of labeling is to inform the users of the information about its value and protection re-quirements, and to guide them on how to handle it securely. Labeling can help users to:

•Identify the information they are dealing with and its classification level

•Understand their roles and responsibilities regarding the information

•Follow the security policies and procedures for the information

•Avoid unauthorized access, disclosure, modification, or destruction of the information

•Report any security incidents or breaches involving the information

Labeling can also help organizations to:

•Track and monitor the information and its usage

•Enforce access controls and encryption for the information

•Audit and review the compliance with security standards and regulations for the infor-mation

•Educate and train employees and stakeholders on information security awareness and best practices

Therefore, labeling information according to its security classification enhances the likelihood of people handling information securely, as it increases their awareness and accountability, and supports the implementation of security measures. The other op-tions are not the primary benefits of labeling information according to its security clas-sification. Reducing the number and type of countermeasures required is not a benefit, but rather a consequence of applying security controls based on the classification lev-el. Reducing the need to identify baseline controls for each classification is not a bene-fit, but rather a prerequisite for labeling information according to its security classifica-tion. Affecting the consequences if information is handled insecurely is not a benefit, but rather a risk that needs to be managed by implementing appropriate security con-trols and incident response procedures. References: 1: Information Classification - Ad-visera 2: Information Classification in Information Security - GeeksforGeeks : Infor-mation Security Policy - NIST : Information Security Classification Framework - Queensland Government

The correct answer is C because developing an information security strategy requires defining the desired future state of information security in alignment with enterprise objectives, risk appetite, legal requirements, and business priorities. A strategy describes where the organization wants to go and how information security will support business goals. Identifying information asset owners is important for risk management and accountability, but it is not the first strategic activity. Developing security policies and standards should occur after the strategic direction is understood, because policies and standards must support the desired state. Establishing an information security steering committee is a strong governance practice, but the question asks what should be done first when developing the strategy itself. In CISM, security strategy should be business-aligned and should define target capabilities, priorities, governance expectations, and risk management direction. Determining the desired state allows the organization to compare current capabilities against future needs and build a roadmap. Therefore, determining the desired state of information security is the best first step.

Performing frequent backups and storing them offline is the best way to reduce the impact of a successful ransomware attack, as this allows the organization to restore its data and systems without paying the ransom or losing valuable information. Purchasing or renewing cyber insurance policies may help cover some of the costs and losses associated with a ransomware attack, but it does not prevent or mitigate the attack itself. Including provisions to pay ransoms in the information security budget may encourage more attacks and does not guarantee the recovery of the data or the removal of the malware. Monitoring the network and providing alerts on intrusions may help detect and respond to a ransomware attack, but it does not reduce the impact of a successful attack that has already encrypted or exfiltrated the data. References = CISM Review Manual 2023, page 1661; CISM Review Questions, Answers & Explanations Manual 2023, page 312; CISM Exam Overview - Vinsys3

During due diligence, performing a risk assessment is critical to understanding the potential impact of integrating the new organization into the acquiring company. This includes evaluating inherited risks, compliance gaps, and technical vulnerabilities.

“As part of due diligence during mergers and acquisitions, it is crucial to assess risks associated with the target organization to ensure proper integration and continuity.”

— CISM Review Manual 15th Edition, Chapter 2: Risk Management, Section: Due Diligence

ISACA’s CISM practice database reinforces that identifying and quantifying risks early helps ensure appropriate controls are in place before the integration, making risk assessment the most critical activity.

The primary objective of creating a security culture is to reduce risk to acceptable levels (C) by influencing employee behavior and decision-making. CISM stresses that culture is a means to an end—not the end itself. Prioritization (B), resource acquisition (A), and reporting (D) are outcomes or enablers, but the ultimate purpose is effective risk reduction aligned with business objectives. A strong security culture helps prevent incidents, improves compliance, and strengthens resilience through consistent, risk-aware behavior at all levels of the organization.

Once a security incident has been confirmed, the first consideration for the information security manager is executing containment procedures (A). According to CISM incident management principles, containment is prioritized immediately after confirmation to limit the spread of the incident, prevent further damage, and protect unaffected systems and data. Delaying containment increases potential impact, data loss, and operational disruption.

Determining the root cause (B) is an important activity but occurs after containment, once the situation is stabilized. Developing incident reporting criteria (C) is part of incident response planning and should already be defined before an incident occurs. Restoring business operations (D) is a recovery-phase activity that follows containment and eradication.

CISM emphasizes a structured incident response lifecycle: confirmation → containment → eradication → recovery → post-incident review. Immediate containment ensures the organization retains control of the incident while preserving evidence and enabling informed decisions for subsequent steps.

SIEM systems collect and analyze log data from across the organization, allowing for real-time monitoring, incident correlation, and end-to-end tracking of response activities — including severity classification and closure.

“SIEM tools enable centralized management, prioritization, and documentation of incidents, making them essential for impact tracking and incident lifecycle management.”

— CISM Review Manual 15th Edition, Chapter 4: Incident Management Systems*

While EDR and XDR help detect threats, SIEMs offer the full scope for impact-based tracking.

Changes to the risk landscape are the most likely events to require an organization to revisit its information security framework, because they may affect the organization’s risk appetite, risk tolerance, risk profile, and risk treatment strategies. The information security framework should be aligned with the organization’s business objectives and risk management approach, and should be reviewed and updated regularly to reflect the changing internal and external environment.

References =

CISM Review Manual, 16th Edition, ISACA, 2020, p. 35: “The information security framework should be reviewed and updated regularly to ensure that it remains aligned with the enterprise’s business objectives and risk management approach and reflects the changing internal and external environment.”

CISM Review Manual, 16th Edition, ISACA, 2020, p. 36: “Changes in the risk landscape may require the enterprise to revisit its risk appetite, risk tolerance, risk profile, and risk treatment strategies.”

= Mature information security awareness training across the organization is the most important factor for building a robust information security culture, because it helps to educate and motivate the employees to understand and adopt the security policies, procedures, and best practices that are aligned with the organizational goals and values. Information security awareness training should be tailored to the specific roles, responsibilities, and needs of the employees, and should cover the relevant topics, such as:

The importance and value of information assets and the potential risks and threats to them

The legal, regulatory, and contractual obligations and compliance requirements related to information security

The organizational security policies, standards, and guidelines that define the expected and acceptable behaviors and actions regarding information security

The security controls and tools that are implemented to protect the information assets and how to use them effectively and efficiently

The security incidents and breaches that may occur and how to prevent, detect, report, and respond to them

The security best practices and tips that can help to enhance the security posture and culture of the organization

Information security awareness training should be delivered through various methods and channels, such as:

Online courses, webinars, videos, podcasts, and quizzes that are accessible and interactive

Classroom sessions, workshops, seminars, and simulations that are engaging and practical

Posters, flyers, newsletters, emails, and social media that are informative and catchy

Games, competitions, rewards, and recognition that are fun and incentivizing

Information security awareness training should be conducted regularly and updated frequently, to ensure that the employees are aware of the latest security trends, challenges, and solutions, and that they can demonstrate their knowledge and skills in a consistent and effective manner.

Mature information security awareness training can help to create a positive and proactive security culture that fosters trust, collaboration, and innovation among the employees and the organization, and that supports the achievement of the strategic objectives and the mission and vision of the organization.

References = CISM Review Manual, 16th Edition, ISACA, 2021, pages 144-146, 149-150.

= An information security manager should contact the information owner after the incident has been confirmed, as this is the point when the impact and severity of the incident can be assessed and communicated. The information owner is responsible for the business value and use of the information and should be involved in the decision making process regarding the incident response. Contacting the information owner after the incident has been mitigated or contained may be too late, as the information owner may have different priorities or expectations than the security team. Contacting the information owner after the potential incident has been logged may be premature, as the incident may turn out to be a false positive or a minor issue that does not require the information owner’s attention. References = 1: CISM Review Manual, 16th Edition by Isaca (Author), page 292.

The effectiveness of a SIEM (Security Information and Event Management) system heavily relies on properly configured alert thresholds. Misconfiguration of alert thresholds can result in missed detection of significant incidents (false negatives) or an overwhelming number of false positives, making it difficult to identify real threats. According to the CISM Review Manual, 16th Edition, Domain 4: Information Security Incident Management, the configuration and tuning of monitoring tools like SIEMs are crucial for timely and accurate detection of incidents.

 Role-based access control (RBAC) is a policy-neutral access control mechanism that assigns access privileges to defined roles in the organization and then makes each user a member of the appropriate roles. RBAC reduces security administration efforts by simplifying the management of access rights across different users and resources. RBAC also enables consistent and efficient enforcement of the principle of least privilege, which grants users only the minimum rights required to perform their assigned tasks. RBAC can also facilitate the implementation of separation of duties, which prevents users from having conflicting or incompatible responsibilities. RBAC is among the most widely used methods in the information security tool kit1. References = CIS Control 6: Access Control Management - Netwrix, CISSP certification: RBAC (Role based access control), What is RBAC? (Role Based Access Control) - IONOS

Ensuring security requirements are defined at the request-for-proposal (RFP) stage is the most effective security outcome in an organization’s contract management process because it establishes and communicates the security expectations and obligations for both parties, and enables the organization to evaluate and select the most suitable and secure vendor or service provider. Performing vendor security benchmark analyses at the RFP stage is not an effective security outcome, but rather a possible security activity that involves comparing and ranking different vendors or service providers based on their security capabilities or performance. Extending security assessment to cover asset disposal on contract termination is not an effective security outcome, but rather a possible security activity that involves verifying and validating that any assets or data belonging to the organization are securely disposed of by the vendor or service provider at the end of the contract. Extending security assessment to include random penetration testing is not an effective security outcome, but rather a possible security activity that involves testing and auditing the vendor’s or service provider’s security controls or systems at random intervals during the contract. References: https://www.isaca.org/resources/isaca-journal/issues/2017/volume-1/data-ownership-and-custodianship-in-the-cloud https://www.isaca.org/resources/isaca-journal/issues/2016/volume-4/integrating-assurance-functions

The first course of action when the information security manager becomes aware that a third-party provider is not in compliance with the SOW is to assess the extent of the issue, which means determining the nature, scope, and impact of the non-compliance on the security of the enterprise’s data and systems. The assessment should also identify the root cause of the non-compliance and the possible remediation actions. The assessment will help the information security manager to decide the next steps, such as notifying senior management, reporting the issue to legal personnel, initiating contract renegotiation, or terminating the contract.

References = Ensuring Vendor Compliance and Third-Party Risk Mitigation, A Risk-Based Management Approach to Third-Party Data Security, Risk and Compliance

A false negative is a security incident that was not detected by the SIEM system, which presents the greatest risk as it allows attackers to compromise the organization’s assets and data without being noticed or stopped. A high number of false negatives can indicate that the SIEM system is not configured properly, has insufficient data sources, or lacks effective analytics and correlation rules. (From CISM Review Manual 15th Edition)