Isaca CISM - Certified Information Security Manager

Prevention of authorized access is the greatest threat posed by a distributed denial of service (DDoS) attack on a public-facing web server because it prevents legitimate users or customers from accessing the web services or resources, causing disruption, dissatisfaction, and potential loss of revenue or reputation. Execution of unauthorized commands is not a threat posed by a DDoS attack, but rather by a remote code execution (RCE) attack. Defacement of website content is not a threat posed by a DDoS attack, but rather by a web application attack. Unauthorized access to resources is not a threat posed by a DDoS attack, but rather by a brute force attack or an authentication bypass attack. References: https://www.isaca.org/resources/isaca-journal/issues/2017/volume-6/the-value-of-penetration-testing https://www.isaca.org/resources/isaca-journal/issues/2016/volume-5/security-scanning-versus-penetration-testing

When outsourcing to a cloud provider, regulatory compliance is paramount—especially with sensitive or proprietary applications. Non-compliance could result in legal penalties, fines, or reputational damage.

While RPOs, SLAs, and contract clauses are critical components of vendor risk management, ensuring adherence to relevant laws and industry regulations (such as GDPR, HIPAA, PCI DSS) is the first priority in cloud migration decisions.

“Prior to selecting a cloud provider, legal, regulatory, and contractual requirements must be reviewed to ensure alignment.”

— CISM Review Manual 15th Edition, Chapter 1: Information Security Governance, Section: Compliance Considerations in Cloud Computing*

 Improving security controls is an example of risk mitigation, which is the process of reducing the likelihood or impact of a risk. Risk mitigation can be achieved by implementing various strategies, such as purchasing insurance, discontinuing the activity associated with the risk, or improving security controls. Purchasing insurance is a form of risk transfer, which is the process of shifting the responsibility or burden of a risk to another party. Discontinuing the activity associated with the risk is a form of risk avoidance, which is the process of eliminating or avoiding a potential source of harm. Performing a cost-benefit analysis is a form of risk evaluation, which is the process of assessing the costs and benefits of different options to manage a risk. References = CISM Review Manual, 16th Edition, page 1741; CISM Review Questions, Answers & Explanations Manual, 10th Edition, page 802

An information security steering committee is a group of senior executives and managers from different business units and functions who provide strategic direction, oversight, and support for the information security program. The most important function of the committee is to obtain multiple perspectives from the business, as this helps to ensure that the information security program aligns with the business goals, needs, and culture, and that the security decisions reflect the interests and expectations of the stakeholders.

References = CISM Review Manual 2022, page 331; CISM Exam Content Outline, Domain 1, Knowledge Statement 1.22; Improve Security Governance With a Security Steering Committee2; The Role of the Corporate Information Security Steering Committee3

= Following the incident response plan is the most important step for the security manager before classifying the suspected event as a security incident, as it provides the guidance and procedures for the incident management team to follow in order to identify, contain, analyze, and resolve security incidents. The incident response plan should define the roles and responsibilities of the incident management team, the criteria and process for incident classification and prioritization, the communication and escalation protocols, the tools and resources for incident handling, and the post-incident review and improvement activities123. References =

1: CISM Review Manual 15th Edition, page 199-2004

2: CISM Practice Quiz, question 1011

3: Computer Security Incident Handling Guide5, page 2-3

Information security awareness training and campaigns are the best way to enable the desired information security culture within an organization because they help to educate, motivate and influence the behavior and attitude of the employees towards information security. They also help to raise the awareness of the risks, threats and best practices of information security among the staff and stakeholders.

References = Organizational Culture for Information Security: A Systemic Perspective on the Articulation of Human, Cultural and Social Systems, CISM Exam Content Outline

The best way to obtain senior management support for an information security governance program is to demonstrate the program’s value to the organization, such as how it can help achieve business objectives, reduce operational risks, enhance resilience, and comply with regulations. Demonstrating the value of information security governance can help senior management understand the benefits and costs of the program, and motivate them to participate in the decision-making process. The other options, such as discussing governance programs in similar organizations, providing external audit results, or providing examples of incidents, may not be sufficient or persuasive enough to obtain senior management support, as they may not reflect the specific needs and goals of the organization. References:

https://www.isaca.org/resources/news-and-trends/isaca-now-blog/2020/how-to-involve-senior-management-in-the-information-security-governance-process

https://www.sans.org/white-papers/992/

https://www.govtech.com/blogs/lohrmann-on-cybersecurity/how-to-get-management-support-for-your-security-program.html

 = Strong senior management support is the best factor to enable staff acceptance of information security policies, as it demonstrates the commitment and leadership of the organization’s top executives in promoting and enforcing a security culture. Senior management support can also help ensure that the information security policies are aligned with the business goals and values, communicated effectively to all levels of the organization, and integrated into the performance evaluation and reward systems. Senior management support can also help overcome any resistance or challenges from other stakeholders, such as business units, customers, or regulators123. References =

1: CISM Review Manual 15th Edition, page 26-274

2: CISM Practice Quiz, question 1102

3: Information Security Governance: Guidance for Boards of Directors and Executive Management, 2nd Edition, page 5-6

The answer to the question is B. Spread a site across multiple ISPs. This is because spreading a site across multiple Internet service providers (ISPs) can help to reduce the impact of a distributed denial of service (DDoS) attack by increasing the bandwidth and redundancy of the site, and making it harder for the attacker to target and overwhelm a single point of failure. Spreading a site across multiple ISPs can also help to distribute the traffic load and balance the performance of the site, and to mitigate the effects of regional or network-specific outages or disruptions. Spreading a site across multiple ISPs can be done by using various techniques, such as anycast routing, content delivery networks (CDNs), or cloud-based services12.

Spreading a site across multiple ISPs can help to reduce the impact of a DDoS attack by increasing the bandwidth and redundancy of the site, and making it harder for the attacker to target and overwhelm a single point of failure. (From CISM Manual or related resources)

References = CISM Review Manual 15th Edition, Chapter 4, Section 4.2.1, page 2091; DDoS Attacks—A Cyberthreat and Possible Solutions2

A balanced scorecard enables information security governance by providing a framework for aligning security objectives with business goals and measuring performance against them. The other choices are not directly related to governance but may be supported by it.

A balanced scorecard is a strategic management tool that describes the cause-and-effect linkages between four high-level perspectives of strategy and execution: financial, customer, internal process, and learning and growth2. It helps organizations communicate and monitor their vision and strategy across different levels and functions2.

= The primary objective of performing a post-incident review is to identify the root cause of the incident, which is the underlying factor or condition that enabled or facilitated the occurrence of the incident. Identifying the root cause helps to understand the nature and origin of the incident, and to prevent or mitigate similar incidents in the future. A post-incident review also aims to evaluate the effectiveness and efficiency of the incident response process, identify lessons learned and best practices, and recommend improvements for the incident management policies, procedures, controls, and tools. However, these are secondary objectives that depend on the identification of the root cause as the first step.

Re-evaluating the impact of incidents is not the primary objective of performing a post-incident review, as it is already done during the incident response process. The impact of incidents is the extent and severity of the damage or harm caused by the incident to the organization’s assets, operations, reputation, or stakeholders. Re-evaluating the impact of incidents may be part of the post-incident review, but it is not the main goal.

Identifying vulnerabilities is not the primary objective of performing a post-incident review, as it is also done during the incident response process. Vulnerabilities are weaknesses or flaws in the system or network that can be exploited by attackers to compromise the confidentiality, integrity, or availability of the information or resources. Identifying vulnerabilities may be part of the post-incident review, but it is not the main goal.

Identifying control improvements is not the primary objective of performing a post-incident review, as it is a result of the root cause analysis. Controls are measures or mechanisms that are implemented to protect the system or network from threats, reduce risks, or ensure compliance with policies and standards. Identifying control improvements is an important outcome of the post-incident review, but it is not the main goal. References =

ISACA CISM: PRIMARY goal of a post-incident review should be to?

CISM Exam Overview - Vinsys

CISM Review Manual, Chapter 4, page 176

CISM Exam Content Outline | CISM Certification | ISACA, Domain 4, Task 4.3

The eradication phase of an incident response plan is where the root cause of the incident is determined and eliminated. This phase involves identifying and removing all traces of the malicious activity from the affected systems and restoring them to a secure state.

References = NIST SP 800-61 Revision 2, CISM Review Manual 15th Edition

Strong encryption methods are the BEST control to protect customer personal information that is stored in the cloud, because they help to prevent unauthorized access, disclosure, modification, or deletion of the data by encrypting it at rest and in transit. Encryption is the process of transforming data into an unreadable format using a secret key or algorithm, so that only authorized parties can decrypt and access the data. Encryption can help to protect the confidentiality, integrity, and availability of the data, as well as to comply with legal and regulatory requirements.

References =

CISM Review Manual, 16th Edition, ISACA, 2020, p. 72: “Encryption is the process of transforming data into an unreadable format using a secret key or algorithm.”

CISM Review Manual, 16th Edition, ISACA, 2020, p. 73: “Encryption can help to protect the confidentiality, integrity, and availability of data, as well as to comply with legal and regulatory requirements for data protection.”

Saas Data Security: Protecting Your Customers’ Information In The Cloud - Fresent’s Blog: “Encryption and Data Protection: One of the most effective ways to protect sensitive data in the cloud is to encrypt it both at rest and in transit. Encryption is the process of transforming data into an unreadable format using a secret key or algorithm, so that only authorized parties can decrypt and access the data.”

The information security manager should first determine the risk related to noncompliance with the policy, as this will help to understand the impact and likelihood of the policy violation and the potential consequences for the organization. The information security manager can then use the risk assessment results to communicate the importance of the policy to the IT personnel, propose any necessary changes to the policy or the processes, or request an audit of the policy development process, depending on the situation. Conducting user awareness training, updating policies and procedures, or requesting an audit are possible actions that the information security manager can take after determining the risk, but they are not the first step. References = CISM Review Manual, 16th Edition, Chapter 2: Information Risk Management, Section: Risk Assessment, page 86; CISM Review Questions, Answers & Explanations Manual, 10th Edition, Question 59, page 60.

The most important information to communicate with regard to the open items from the risk register to senior management is the potential business impact of these risks. The potential business impact is the estimated consequence or loss that the organization may suffer if the risk materializes or occurs. The potential business impact can be expressed in quantitative or qualitative terms, such as financial, operational, reputational, legal, or strategic impact. Communicating the potential business impact of the open items from the risk register helps senior management to understand the severity and urgency of these risks, and to prioritize the risk response actions and resources accordingly. Communicating the potential business impact also helps senior management to align the risk management objectives and activities with the business objectives and strategies, and to ensure that the risk appetite and tolerance of the organization are respected and maintained.

References = CISM Review Manual, 16th Edition, Chapter 2: Information Risk Management, Section: Risk Assessment, page 831; CISM Review Manual, 16th Edition, Chapter 2: Information Risk Management, Section: Risk Reporting, page 1012.

 The business client should be responsible for determining access levels to an application that processes client information, because the business client is the owner of the data and the primary stakeholder of the application. The business client has the best knowledge and understanding of the business requirements, objectives, and expectations of the application, and the sensitivity, value, and criticality of the data. The business client can also define the roles and responsibilities of the users and the access rights and privileges of the users based on the principle of least privilege and the principle of separation of duties. The business client can also monitor and review the access levels and the usage of the application, and ensure that the access levels are aligned with the organization’s information security policies and standards.

The information security team, the identity and access management team, and the business unit management are all involved in the process of determining access levels to an application that processes client information, but they are not the primary responsible party. The information security team provides guidance, support, and oversight to the business client on the information security best practices, controls, and standards for the application, and ensures that the access levels are consistent with the organization’s information security strategy and governance. The identity and access management team implements, maintains, and audits the access levels and the access control mechanisms for the application, and ensures that the access levels are compliant with the organization’s identity and access management policies and procedures. The business unit management approves, authorizes, and sponsors the access levels and the access requests for the application, and ensures that the access levels are aligned with the business unit’s goals and strategies. References =

ISACA, CISM Review Manual, 16th Edition, 2020, pages 125-126, 129-130, 133-134, 137-138.

ISACA, CISM Review Questions, Answers & Explanations Database, 12th Edition, 2020, question ID 1037.

The next step for the information security manager should be to inventory and review the current security policies to understand the existing security requirements, controls, and gaps. This will help to identify the areas that need to be updated, revised, or replaced to align with the current business needs and objectives, as well as the legal and regulatory requirements. Updating the policies in accordance with the best business practices, performing a risk assessment of the current IT environment, or gaining an understanding of the current business direction are important activities, but they should be done after reviewing the current security policies.

References = CISM Review Manual, 16th Edition eBook1, Chapter 1: Information Security Governance, Section: Information Security Policies, Standards, Procedures and Guidelines, Subsection: Information Security Policies, Page 28.

The first step to gain approval for outsourcing to address a security gap is to perform a cost-benefit analysis, because it helps to evaluate the feasibility and viability of the outsourcing option and compare it with other alternatives. A cost-benefit analysis is a method of estimating and comparing the costs and benefits of a project or a decision, in terms of financial, operational, and strategic aspects. A cost-benefit analysis can help to:

Identify and quantify the expected costs and benefits of outsourcing, such as the initial and ongoing expenses, the potential savings and revenues, the quality and efficiency of the service, the risks and opportunities, and the alignment with the business objectives and requirements

Assess and prioritize the criticality and urgency of the security gap, and the impact and likelihood of the related threats and vulnerabilities

Determine the optimal level and scope of outsourcing, such as the type, duration, and frequency of the service, the roles and responsibilities of the parties involved, and the performance and security standards and metrics

Justify and communicate the rationale and value proposition of outsourcing, and provide evidence and support for the decision making process

Establish and document the criteria and process for selecting and evaluating the outsourcing provider, and the contractual and legal terms and conditions

A cost-benefit analysis should be performed before submitting a funding request to senior management, because it can help to demonstrate the need and the return on investment of the outsourcing project, and to secure the budget and the resources. A cost-benefit analysis should also be performed before beginning due diligence on the outsourcing company, because it can help to narrow down the list of potential candidates and to focus on the most relevant and suitable ones. Collecting additional metrics may be a part of the cost-benefit analysis, but it is not the first step, because it requires a clear definition and understanding of the objectives and scope of the outsourcing project.

References = CISM Review Manual, 16th Edition, ISACA, 2021, pages 173-174, 177-178.