Isaca Certification CISM Isaca Study Notes

A red team exercise is a simulated cyber attack conducted by a group of ethical hackers or security experts (the red team) against an organization’s network, systems, and staff (the blue team) to test the organization’s ability to detect, respond, and recover from a real cyber attack. A red team exercise provides an information security manager with the most accurate indication of the organization’s ability to respond to a cyber attack, because it mimics the tactics, techniques, and procedures of real threat actors, and challenges the organization’s security posture, incident response plan, and security awareness in a realistic and adversarial scenario12. A red team exercise can measure the following aspects of the organization’s cyber attack response capability3:

The effectiveness and efficiency of the security controls and processes in preventing, detecting, and mitigating cyber attacks

The readiness and performance of the incident response team and other stakeholders in following the incident response plan and procedures

The communication and coordination among the internal and external parties involved in the incident response process

The resilience and recovery of the critical assets and functions affected by the cyber attack

The lessons learned and improvement opportunities identified from the cyber attack simulation

The other options, such as a walk-through of the incident response plan, a black box penetration test, or a simulated phishing exercise, are not as accurate as a red team exercise in indicating the organization’s ability to respond to a cyber attack, because they have the following limitations4 :

A walk-through of the incident response plan is a theoretical and hypothetical exercise that involves reviewing and discussing the incident response plan and procedures with the relevant stakeholders, without actually testing them in a live environment. A walk-through can help to familiarize the participants with the incident response roles and responsibilities, and to identify any gaps or inconsistencies in the plan, but it cannot measure the actual performance and effectiveness of the incident response process under a real cyber attack scenario.

A black box penetration test is a technical and targeted exercise that involves testing the security of a specific system or application, without any prior knowledge or access to its internal details or configuration. A black box penetration test can help to identify the vulnerabilities and weaknesses of the system or application, and to simulate the perspective and behavior of an external attacker, but it cannot test the security of the entire network or organization, or the response of the incident response team and other stakeholders to a cyber attack.

A simulated phishing exercise is a social engineering and awareness exercise that involves sending fake emails or messages to the organization’s staff, to test their ability to recognize and report phishing attempts. A simulated phishing exercise can help to measure the level of security awareness and training of the staff, and to simulate one of the most common cyber attack vectors, but it cannot test the security of the network or systems, or the response of the incident response team and other stakeholders to a cyber attack.

References = 1: What is a Red Team Exercise? | Redscan 2: Red Team vs Blue Team: How They Differ and Why You Need Both | CISA 3: Red Team Exercises: What They Are and How to Run Them | Rapid7 4: What is a Walkthrough Test? | Definition and Examples | ISACA : Penetration Testing Types: Black Box, White Box, and Gray Box | CISA

= Data owner is the best suited to determine how the information in a database should be classified, because data owner is the person who has the authority and responsibility for the data and its protection. Data owner is accountable for the business value, quality, integrity, and security of the data. Data owner also defines the data classification criteria and levels based on the data sensitivity, criticality, and regulatory requirements. Data owner assigns the data custodian and grants the data access rights to the data users. Data owner reviews and approves the data classification policies and procedures, and ensures the compliance with them.

References = CISM Review Manual, 16th Edition, Chapter 1: Information Security Governance, Section: Data Classification, page 331

A vulnerability assessment process is a systematic and proactive approach to identify, analyze and prioritize the vulnerabilities in an information system. It helps to reduce the exposure of the system to potential threats and improve the security posture of the organization. By implementing a vulnerability assessment process, the organization can facilitate proactive risk management, which is the PRIMARY benefit of this process. Proactive risk management is the process of identifying, assessing and mitigating risks before they become incidents or cause significant impact to the organization. Proactive risk management enables the organization to align its security strategy with its business objectives, optimize its security resources and investments, and enhance its resilience and compliance.

A. Threat management is enhanced. This is a secondary benefit of implementing a vulnerability assessment process. Threat management is the process of identifying, analyzing and responding to the threats that may exploit the vulnerabilities in an information system. Threat management is enhanced by implementing a vulnerability assessment process, as it helps to reduce the attack surface and prioritize the most critical threats. However, threat management is not the PRIMARY benefit of implementing a vulnerability assessment process, as it is a reactive rather than proactive approach to risk management.

B. Compliance status is improved. This is a secondary benefit of implementing a vulnerability assessment process. Compliance status is the degree to which an organization adheres to the applicable laws, regulations, standards and policies that govern its information security. Compliance status is improved by implementing a vulnerability assessment process, as it helps to demonstrate the organization’s commitment to security best practices and meet the expectations of the stakeholders and regulators. However, compliance status is not the PRIMARY benefit of implementing a vulnerability assessment process, as it is a result rather than a driver of risk management.

C. Security metrics are enhanced. This is a secondary benefit of implementing a vulnerability assessment process. Security metrics are the quantitative and qualitative measures that indicate the effectiveness and efficiency of the information security processes and controls. Security metrics are enhanced by implementing a vulnerability assessment process, as it helps to provide objective and reliable data for security monitoring and reporting. However, security metrics are not the PRIMARY benefit of implementing a vulnerability assessment process, as they are a means rather than an end of risk management.

References =

CISM Review Manual 15th Edition, pages 1-301

CISM Exam Content Outline2

Risk Assessment for Technical Vulnerabilities3

A Step-By-Step Guide to Vulnerability Assessment4

 Replacing key controls with weaker compensating controls may introduce new vulnerabilities or increase the likelihood or impact of existing threats, thus raising the risk levels beyond the acceptable limits defined by the risk appetite and tolerance of the organization. This may expose the organization to unacceptable losses or damages, such as financial, reputational, legal, or operational. Therefore, the information security manager should be most concerned about the potential elevation of risk levels and ensure that the risk owner is aware of the consequences and accountable for the decision.

References = CISM Review Manual, 16th Edition, Chapter 2: Information Risk Management, Section: Risk Treatment, page 941.