Isaca CISM Certified Information Security Manager Exam Practice Test

The strongest justification for granting an exception to the security policy that disables access to USB storage devices on laptops and desktops is that the benefit is greater than the potential risk. A security policy is a document that defines the goals, objec-tives, principles, roles, responsibilities, and requirements for protecting information and systems in an organization. A security policy should be based on a risk assessment that identifies and evaluates the threats and vulnerabilities that affect the organiza-tion’s assets, as well as the potential impact and likelihood of incidents. A security pol-icy should also be aligned with the organization’s business objectives and risk appe-tite1. However, there may be situations where a security policy cannot be fully enforced or complied with due to technical, operational, or business reasons. In such cases, an exception to the policy may be requested and granted by an authorized person or body, such as a security manager or a policy committee. An exception to a security policy should be justified by a clear and compelling reason that outweighs the risk of non-compliance. An exception to a security policy should also be documented, approved, monitored, reviewed, and revoked as necessary2. The strongest justification for grant-ing an exception to the security policy that disables access to USB storage devices on laptops and desktops is that the benefit is greater than the potential risk. USB storage devices are portable devices that can store large amounts of data and can be easily connected to laptops and desktops via USB ports. They can provide several benefits for users and organizations, such as:

•Enhancing data mobility and accessibility

•Improving data backup and recovery

•Supporting data sharing and collaboration

•Enabling data encryption and authentication

However, USB storage devices also pose significant security risks for users and organi-zations, such as:

•Introducing malware or viruses to laptops and desktops

•Exposing sensitive data to unauthorized access or disclosure

•Losing or stealing data due to device loss or theft

•Violating security policies or regulations

Therefore, an exception to the security policy that disables access to USB storage de-vices on laptops and desktops should only be granted if the benefit of using them is greater than the potential risk of compromising them. For example, if a user needs to transfer a large amount of data from one laptop to another in a remote location where there is no network connection available, and the data is encrypted and protected by a strong password on the USB device, then the benefit of using the USB device may be greater than the risk of losing or exposing it. The other options are not the strongest justifications for granting an exception to the security policy that disables access to USB storage devices on laptops and desktops. Enabling USB storage devices based on user roles is not a justification, but rather a possible way of implementing a more gran-ular or flexible security policy that allows different levels of access for different types of users3. Users accepting the risk of noncompliance is not a justification, but rather a requirement for requesting an exception to a security policy that acknowledges their responsibility and accountability for any consequences of noncompliance4. Accessing being restricted to read-only is not a justification, but rather a possible control that can reduce the risk of introducing malware or viruses from USB devices to laptops and desktops5. References: 1: Information Security Policy - NIST 2: Policy Exception Man-agement - ISACA 3: Deploy and manage Removable Storage Access Control using In-tune - Microsoft Learn 4: Policy Exception Request Form - University of California 5: Re-movable Media Policy Writing Tips - CurrentWare

In this scenario, the chief information security officer (CISO) should be most concerned with developing a security program that meets the global and regional requirements of the organization. This includes considering the different legal and regulatory requirements of each operating location, and designing a security program that meets all of these requirements. The CISO should also ensure effective communication with local regulatory bodies to ensure compliance and understanding of the security program. Additionally, the CISO should use industry best practices and defined security policies and standards to ensure the program meets all applicable requirements.

“A successful security program requires management support and involvement. One of the key aspects of management support is to decide on the value of assets and the acceptable level of risk for them. This will help define the security objectives and priorities for the program. The other options are possible activities within a security program, but they are not as important as management decision on asset value.”

According to the Certified Information Security Manager (CISM) Study Guide, one of the primary responsibilities of an information security manager is to ensure that changes to systems and processes are managed in a secure and controlled manner. The change management procedure that is most likely to cause concern for an information security manager is when the development manager migrates programs into production without proper oversight or control. This can increase the risk of unauthorized changes being made to systems and data, and can also increase the risk of configuration errors or other issues that can negatively impact the security and availability of systems. To mitigate these risks, it is important for the information security manager to work closely with the development team to establish and enforce change management procedures that ensure that all changes are properly approved, tested, and implemented in a controlled manner.

Threat and vulnerability assessments are important PRIMARILY because they are the basis for setting control objectives. Control objectives are the desired outcomes or goals of implementing security controls in an information system. They are derived from the risk assessment process, which identifies and evaluates the threats and vulnerabilities that could affect the system’s confidentiality, integrity and availability. By conducting threat and vulnerability assessments, an organization can determine the level of risk it faces and establish the appropriate control objectives to mitigate those risks.

An anomaly-based intrusion detection system (IDS) operates by gathering data on normal network behavior and using it as a baseline for measuring abnormal activity. This is important because it allows the IDS to detect any activity that is outside of the normal range of usage for the network, which can help to identify potential malicious activity or security threats. Additionally, the IDS will monitor for any changes in the baseline behavior and alert the administrator if any irregularities are detected. By contrast, signature-based IDSs operate by gathering attack pattern signatures from historical data and comparing them against incoming traffic in order to identify malicious activity.

While periodic compliance audits, robust technical security controls, and incentives for security incident reporting can all help to improve an organization's information security posture, strong management support is essential for enabling an organization to transform its culture to support information security. This means ensuring that security is given the necessary attention and resources, and that the security team is given the autonomy to implement the necessary policies, procedures, and controls.

Risk ownership is the most important detail to capture in an organization's risk register. Risk ownership is the responsibility for managing a risk, including taking corrective action, and should be assigned to a specific individual or team. It is important to note that the risk owner is not necessarily the same as the risk acceptor, who is the individual or team who makes the final decision to accept a risk. Capturing risk ownership in the risk register is important to ensure that risks are actively managed and that the responsible parties are held accountable.

Reverse lookups can be used to prevent successful IP spoofing. IP spoofing is a type of attack in which an attacker sends packets with a false source IP address in order to disguise their identity or impersonate another system. By performing reverse lookups on the source IP address of incoming packets, the system can verify that the packets are coming from a trusted source, and any packets with an invalid or spoofed source IP can be discarded. This is an important measure for preventing IP spoofing, and can help to reduce the risk of other types of attacks, such as DoS attacks, session hacking, and phishing attacks.

To overcome the perception that security is a hindrance to business activities, it is important for an information security manager to promote the relevance and contribution of security. By demonstrating the value that security brings to the organization, including protecting assets and supporting business objectives, the information security manager can help to change the perception of security from a hindrance to a critical component of business success.

Relying on senior management to enforce security, focusing on compliance, and reiterating the necessity of security are all important elements of a comprehensive security program, but they do not directly address the perception that security is a hindrance to business activities. By promoting the relevance and contribution of security, the information security manager can help to align security with the overall goals and objectives of the organization, and foster a culture that values and supports security initiatives.

Incident triage is the process of quickly assessing an incident and determining its severity in order to prioritize the response. This involves categorizing the events based on their potential impact, which helps to determine the right response and the most effective use of resources. It also helps to identify potential threats and vulnerabilities, and to coordinate communications and response activities.

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.

Risk mitigation refers to the processes and strategies that organizations use to reduce the likelihood or impact of potential risks. Improving security controls is a classic example of risk mitigation. By implementing or enhancing security controls, organizations can reduce the risk of security incidents or breaches, such as data theft or unauthorized access. For example, implementing strong passwords, regularly updating software and systems, and training employees on security best practices are all ways to improve security controls and mitigate risk. Other examples of risk mitigation include implementing disaster recovery and business continuity plans, conducting regular security assessments and audits, and purchasing insurance.

Residual risk is the remaining risk after all security controls have been implemented. It is important to measure the residual risk of an organization in order to determine the effectiveness of the security program and to justify continued investment in the program. A reduction in residual risk is an indication that the security program is effective and that continued investment is warranted.

Security requirements for the process being outsourced are the specifications and standards that the third party must comply with to ensure the confidentiality, integrity and availability of the critical business information. They define the roles and responsi-bilities of both parties, the security controls and measures to be implemented, the se-curity objectives and expectations, the security risks and mitigation strategies, and the security monitoring and reporting mechanisms. Security requirements are essential to protect the information assets of the organization and to establish a clear and en-forceable contractual relationship with the third party.

References:

•1 Outsourcing Strategies for Information Security: Correlated Losses and Security Exter-nalities - SpringerLink

•2 What requirements must outsourcing services comply with for the European market? - CBI

•3 Outsourcing cybersecurity: What services to outsource, what to keep in house - Infosec Institute

•4 BCFSA outsourcing and information security guidelines - BLG

The most important element in achieving executive commitment to an information security governance program is to align the program with the identified business drivers of the organization. Business drivers are the factors that influence the strategic objectives, goals, and priorities of the organization. They reflect the needs and expectations of the stakeholders, customers, regulators, and other parties that are relevant to the organization’s mission and vision. By aligning the information security governance program with the business drivers, the executive can demonstrate the value and benefits of information security to the organization’s performance, reputation, and competitiveness. The other options are not the most important element, although they may be part of an information security governance program. A defined security framework is a set of standards, guidelines, and best practices that provide a structure and direction for implementing information security. A process improvement model is a methodology that helps to identify, analyze, and improve the processes related to information security. Established security strategies are the plans and actions that define how information security supports and enables the business objectives and goals. These elements are important for developing and executing an information security governance program, but they do not necessarily ensure executive commitment unless they are aligned with the business drivers

The explanation given in the manual is:

The information security manager’s knowledge of the business is the most critical factor for information security program success because it enables him or her to align security objectives with business goals and communicate effectively with senior management and other stakeholders. The other choices are important elements of an information security program but not as critical as the information security manager’s knowledge of the business.

An information security program is a set of policies, procedures, standards, guidelines, and tools that aim to protect an organization’s information assets from threats and ensure compliance with laws and regulations. An information security manager is a professional who oversees and coordinates the implementation and maintenance of an information security program. An information security manager should have a good understanding of the business environment, culture, strategy, processes, and needs of an organization to ensure that security supports its objectives.

Business criticality is the degree to which an asset is essential to the success of the business and the extent to which its loss or compromise could have a significant impact on the business. Business criticality is one of the main factors that help to determine the inherent risk of an asset, as assets that are more critical to the business tend to have a higher inherent risk.

Executive management may not take action related to a risk if they have determined that the cost of implementing necessary controls to mitigate the risk exceeds the potential financial losses that the organization may incur if the risk were to materialize. In cases such as this, it is important for the information security team to provide the executive team with thorough cost-benefit analysis that outlines the cost of implementing the controls versus the expected losses from the risk.

The primary objective of a post-incident review of an information security incident is to identify the root cause of the incident and determine what can be done to prevent a similar incident from happening in the future. This process helps organizations to learn from past incidents and make improvements to their security posture to reduce the risk of future incidents. By conducting a thorough post-incident review, organizations can identify areas for improvement in their security controls, policies, and procedures, and implement changes to prevent similar incidents from happening in the future. Other important objectives of a post-incident review may include updating the risk profile, minimizing impact, and determining the impact of the incident, but the main focus should be on identifying ways to prevent recurrence.

The most effective way to avoid paying the ransom in a ransomware attack is to have a properly tested offline backup system. A ransomware attack is a type of cyberattack that encrypts the victim’s data or systems and demands a payment for the decryption key. A properly tested offline backup system is a method of storing copies of the data or systems in a separate location that is not connected to the network or the internet. By having a properly tested offline backup system, the hospital can restore its critical server from the backup without paying the ransom or losing any data. The other options are not the most effective way to avoid paying the ransom in a ransomware attack, although they may be some preventive or detective measures. Employee training on ransomware is a preventive measure that can help raise awareness and reduce the likelihood of falling victim to phishing or other social engineering techniques that may deliver ransomware. However, it does not guarantee that employees will always follow best practices or that ransomware will not enter the network through other means. A continual server replication process is a method of creating copies of the server data or systems in real time or near real time. However, it may not be effective against ransomware, as the replication process may also copy the encrypted data or systems, making them unusable. A properly configured firewall is a preventive measure that can help block malicious network traffic and prevent unauthorized access to the server. However, it does not guarantee that ransomware will not bypass the firewall through other channels, such as email attachments or removable media.

The primary objective of a business impact analysis (BIA) is to determine recovery priorities. The BIA is used to identify and analyze the potential effects of an incident on the organization, including the financial impact, operational impact, and reputational impact. The BIA also helps to identify critical resources and processes, determine recovery objectives and strategies, and develop recovery plans. Reference: Certified Information Security Manager (CISM) Study Manual, Chapter 4, Business Impact Analysis.

According to the Certified Information Security Manager (CISM) Study Manual, "The primary objective of information security governance is to provide a framework for managing and controlling information security practices and technologies at an enterprise level. Its goal is to manage and reduce risk through a process of identification, assessment, and management of those risks."

While demonstrating senior management commitment, compliance with industry best practices, and ensuring user compliance with policies are all important aspects of information security governance, they are not the primary objective. The primary objective is to manage and reduce risk by establishing a framework for managing and controlling information security practices and technologies at an enterprise level.