CISA-KR 문제 86
어떤 유형의 공격이 조직의 가장 민감한 데이터에 가장 큰 위험을 초래합니까?
정답: C
Explanation
An insider attack poses the greatest risk to an organization's most sensitive data. An insider attack is a type of cyberattack that is carried out by someone who has legitimate access to the organization's network, systems, or data, such as an employee, contractor, or business partner. An insider attack can be intentional or unintentional, malicious or negligent, and can have various motives, such as financial gain, revenge, espionage, sabotage, or curiosity.
An insider attack poses the greatest risk to an organization's most sensitive data because:
An insider has a high level of trust and privilege within the organization, which allows them to bypass security controls and access confidential or restricted data without raising suspicion or detection.
An insider has a deep knowledge of the organization's operations, processes, policies, and vulnerabilities, which enables them to exploit them effectively and cause maximum damage or disruption.
An insider can use various techniques and tools to conceal their identity and actions, such as encryption, steganography, deletion, or alteration of logs or evidence.
An insider can cause significant harm or loss to the organization in terms of data integrity, availability, confidentiality, reputation, compliance, and profitability.
According to the 2023 Cost of Insider Threats Global Report by Ponemon Institute and ObserveIT 1, the average annual cost of insider threats for organizations worldwide was $11.45 million in 2022, a 31% increase from 2018. The report also found that the average number of incidents per organization was 77 in 2022, a 47% increase from 2018. The report classified insider threats into three categories: careless or negligent employees or contractors, criminal or malicious insiders, and credential thieves. The report revealed that careless or negligent insiders were the most common and costly type of insider threat, accounting for 62% of all incidents and $4.58 million in costs.
The other options are not the greatest risk to an organization's most sensitive data, although they can still pose significant threats.
A password attack is a type of cyberattack that attempts to guess or crack a user's password to gain unauthorized access to their account or system. A password attack can use various methods, such as brute force, dictionary, rainbow table, phishing, keylogging, or social engineering. A password attack can compromise the security and privacy of the user's data and information. However, a password attack can be prevented or mitigated by using strong and unique passwords, changing passwords frequently, enabling multi-factor authentication (MFA), and avoiding clicking on suspicious links or attachments.
An eavesdropping attack is a type of cyberattack that intercepts or monitors the communication between two parties without their knowledge or consent. An eavesdropping attack can use various techniques, such as wiretapping, packet sniffing, man-in-the-middle (MITM), or side-channel. An eavesdropping attack can expose the content and metadata of the communication, such as messages, files, voice calls, emails, etc.
However, an eavesdropping attack can be prevented or mitigated by using encryption, authentication, digital signatures, VPNs (virtual private networks), or secure protocols.
A spear phishing attack is a type of phishing attack that targets a specific individual or group with personalized and convincing emails that appear to come from a trusted source. A spear phishing attack aims to trick the recipient into clicking on a malicious link or attachment that can infect their device with malware or steal their credentials or data. A spear phishing attack can compromise the security and privacy of the recipient's data and information. However, a spear phishing attack can be prevented or mitigated by verifying the sender's identity and email address, checking the email content for spelling and grammar errors, hovering over links before clicking on them (or not clicking at all), scanning attachments for viruses before opening them (or not opening at all), and reporting suspicious emails to IT security staff.
An insider attack poses the greatest risk to an organization's most sensitive data. An insider attack is a type of cyberattack that is carried out by someone who has legitimate access to the organization's network, systems, or data, such as an employee, contractor, or business partner. An insider attack can be intentional or unintentional, malicious or negligent, and can have various motives, such as financial gain, revenge, espionage, sabotage, or curiosity.
An insider attack poses the greatest risk to an organization's most sensitive data because:
An insider has a high level of trust and privilege within the organization, which allows them to bypass security controls and access confidential or restricted data without raising suspicion or detection.
An insider has a deep knowledge of the organization's operations, processes, policies, and vulnerabilities, which enables them to exploit them effectively and cause maximum damage or disruption.
An insider can use various techniques and tools to conceal their identity and actions, such as encryption, steganography, deletion, or alteration of logs or evidence.
An insider can cause significant harm or loss to the organization in terms of data integrity, availability, confidentiality, reputation, compliance, and profitability.
According to the 2023 Cost of Insider Threats Global Report by Ponemon Institute and ObserveIT 1, the average annual cost of insider threats for organizations worldwide was $11.45 million in 2022, a 31% increase from 2018. The report also found that the average number of incidents per organization was 77 in 2022, a 47% increase from 2018. The report classified insider threats into three categories: careless or negligent employees or contractors, criminal or malicious insiders, and credential thieves. The report revealed that careless or negligent insiders were the most common and costly type of insider threat, accounting for 62% of all incidents and $4.58 million in costs.
The other options are not the greatest risk to an organization's most sensitive data, although they can still pose significant threats.
A password attack is a type of cyberattack that attempts to guess or crack a user's password to gain unauthorized access to their account or system. A password attack can use various methods, such as brute force, dictionary, rainbow table, phishing, keylogging, or social engineering. A password attack can compromise the security and privacy of the user's data and information. However, a password attack can be prevented or mitigated by using strong and unique passwords, changing passwords frequently, enabling multi-factor authentication (MFA), and avoiding clicking on suspicious links or attachments.
An eavesdropping attack is a type of cyberattack that intercepts or monitors the communication between two parties without their knowledge or consent. An eavesdropping attack can use various techniques, such as wiretapping, packet sniffing, man-in-the-middle (MITM), or side-channel. An eavesdropping attack can expose the content and metadata of the communication, such as messages, files, voice calls, emails, etc.
However, an eavesdropping attack can be prevented or mitigated by using encryption, authentication, digital signatures, VPNs (virtual private networks), or secure protocols.
A spear phishing attack is a type of phishing attack that targets a specific individual or group with personalized and convincing emails that appear to come from a trusted source. A spear phishing attack aims to trick the recipient into clicking on a malicious link or attachment that can infect their device with malware or steal their credentials or data. A spear phishing attack can compromise the security and privacy of the recipient's data and information. However, a spear phishing attack can be prevented or mitigated by verifying the sender's identity and email address, checking the email content for spelling and grammar errors, hovering over links before clicking on them (or not clicking at all), scanning attachments for viruses before opening them (or not opening at all), and reporting suspicious emails to IT security staff.
CISA-KR 문제 87
IS 감사인이 감사 후속 활동을 시작하기 전에 다음 중 어떤 것이 있어야 합니까?
정답: B
Explanation
This must be in place before an IS auditor initiates audit follow-up activities, because it indicates that management has acknowledged and accepted the audit findings and recommendations, and has agreed to take corrective actions within a specified timeframe. Audit follow-up activities are the processes and procedures that the IS auditor performs to verify that management has implemented the agreed-upon actions effectively and in a timely manner, and that the audit findings have been resolved or mitigated.
The other options are not required to be in place before an IS auditor initiates audit follow-up activities:
Available resources for the activities included in the action plan. This is a factor that may affect the feasibility and success of the action plan, but it is not a prerequisite for the audit follow-up activities.
The IS auditor should assess the availability and adequacy of the resources for the action plan during the audit planning and execution phases, and provide recommendations accordingly. However, the IS auditor does not need to wait for the resources to be available before initiating the audit follow-up activities.
A heat map with the gaps and recommendations displayed in terms of risk. This is a tool that may help the IS auditor prioritize and communicate the gaps and recommendations, but it is not a requirement for the audit follow-up activities. A heat map is a graphical representation of data that uses colors to indicate the level of risk or impact of each gap or recommendation. The IS auditor may use a heat map to support the audit report or presentation, but it does not replace the need for a management response with a committed implementation date.
Supporting evidence for the gaps and recommendations mentioned in the audit report. This is a component that should be included in the audit report, but it is not a condition for the audit follow-up activities. Supporting evidence is the information or data that supports or substantiates the audit findings and recommendations. The IS auditor should collect and document sufficient, reliable, relevant, and useful evidence during the audit execution phase, and present it in the audit report. However, the IS auditor does not need to have supporting evidence in place before initiating the audit follow-up activities.
This must be in place before an IS auditor initiates audit follow-up activities, because it indicates that management has acknowledged and accepted the audit findings and recommendations, and has agreed to take corrective actions within a specified timeframe. Audit follow-up activities are the processes and procedures that the IS auditor performs to verify that management has implemented the agreed-upon actions effectively and in a timely manner, and that the audit findings have been resolved or mitigated.
The other options are not required to be in place before an IS auditor initiates audit follow-up activities:
Available resources for the activities included in the action plan. This is a factor that may affect the feasibility and success of the action plan, but it is not a prerequisite for the audit follow-up activities.
The IS auditor should assess the availability and adequacy of the resources for the action plan during the audit planning and execution phases, and provide recommendations accordingly. However, the IS auditor does not need to wait for the resources to be available before initiating the audit follow-up activities.
A heat map with the gaps and recommendations displayed in terms of risk. This is a tool that may help the IS auditor prioritize and communicate the gaps and recommendations, but it is not a requirement for the audit follow-up activities. A heat map is a graphical representation of data that uses colors to indicate the level of risk or impact of each gap or recommendation. The IS auditor may use a heat map to support the audit report or presentation, but it does not replace the need for a management response with a committed implementation date.
Supporting evidence for the gaps and recommendations mentioned in the audit report. This is a component that should be included in the audit report, but it is not a condition for the audit follow-up activities. Supporting evidence is the information or data that supports or substantiates the audit findings and recommendations. The IS auditor should collect and document sufficient, reliable, relevant, and useful evidence during the audit execution phase, and present it in the audit report. However, the IS auditor does not need to have supporting evidence in place before initiating the audit follow-up activities.
CISA-KR 문제 88
검토 중에 IS 감사인은 기업 사용자가 인터넷에 연결된 모든 웹 브라우저에서 클라우드 기반 애플리케이션 및 데이터에 액세스할 수 있음을 발견했습니다. 무단 액세스를 방지하기 위해 다음 중 감사자가 가장 권장하는 것은 무엇입니까?
정답: C
Explanation
The best recommendation to prevent unauthorized access to cloud-based applications and data is to implement multi-factor authentication (MFA). MFA is a method of verifying the identity of a user by requiring two or more pieces of evidence, such as a password, a code sent to a phone, or a biometric factor. MFA adds an extra layer of security to prevent unauthorized access, even if the user's password is compromised or stolen. MFA can also help comply with data privacy and security regulations, such as the General Data Protection Regulation (GDPR) and the Health Insurance Portability and Accountability Act (HIPAA).
The other options are not as effective as MFA in preventing unauthorized access. An intrusion detection system (IDS) is a tool that monitors network traffic and alerts administrators of suspicious or malicious activity, but it does not prevent access by itself. Updating security policies and procedures is a good practice, but it does not ensure that users follow them or that they are enforced. Utilizing strong anti-malware controls on all computing devices can help protect against malware infections, but it does not prevent users from accessing cloud-based applications and data from any Internet-connected web browser.
References:
ISACA, CISA Review Manual, 27th Edition, 2019, p. 2471
ISACA, CISA Review Questions, Answers & Explanations Database - 12 Month Subscription2 What Is Cloud Security? | Google Cloud3
5 Cloud Application Security Best Practices | Snyk4
The best recommendation to prevent unauthorized access to cloud-based applications and data is to implement multi-factor authentication (MFA). MFA is a method of verifying the identity of a user by requiring two or more pieces of evidence, such as a password, a code sent to a phone, or a biometric factor. MFA adds an extra layer of security to prevent unauthorized access, even if the user's password is compromised or stolen. MFA can also help comply with data privacy and security regulations, such as the General Data Protection Regulation (GDPR) and the Health Insurance Portability and Accountability Act (HIPAA).
The other options are not as effective as MFA in preventing unauthorized access. An intrusion detection system (IDS) is a tool that monitors network traffic and alerts administrators of suspicious or malicious activity, but it does not prevent access by itself. Updating security policies and procedures is a good practice, but it does not ensure that users follow them or that they are enforced. Utilizing strong anti-malware controls on all computing devices can help protect against malware infections, but it does not prevent users from accessing cloud-based applications and data from any Internet-connected web browser.
References:
ISACA, CISA Review Manual, 27th Edition, 2019, p. 2471
ISACA, CISA Review Questions, Answers & Explanations Database - 12 Month Subscription2 What Is Cloud Security? | Google Cloud3
5 Cloud Application Security Best Practices | Snyk4
CISA-KR 문제 89
다음 중 IS 감사인이 기술 조직의 성숙도 모델을 검토할 때 집중해야 할 가장 중요한 영역은 무엇입니까?
정답: C
Explanation
A maturity model for a technology organization is a tool that measures the progress and capability of the IT function in relation to its goals, processes, and practices. A maturity model can help identify gaps and areas for improvement, as well as benchmark the IT function against industry standards or best practices. One of the key aspects of a maturity model is the definition and clarity of roles and responsibilities for the IT function and its stakeholders. A roles and responsibility matrix, such as a RACI matrix, is a document that clarifies who is responsible, accountable, consulted, and informed for each task or deliverable in a project or process. A roles and responsibility matrix can help avoid confusion, duplication, or omission of work, as well as ensure accountability and communication among the IT function and its customers, partners, and suppliers. Therefore, an IS auditor should focus on reviewing the roles and responsibility matrix when evaluating the maturity model for a technology organization.
A standard operating procedure (SOP) is a document that describes the steps and instructions for performing a routine or repetitive task or process. SOPs are important for ensuring consistency, quality, and compliance in the IT function, but they are not directly related to the maturity model. A service level agreement (SLA) is a contract that defines the expectations and obligations between an IT service provider and its customers. SLAs are important for ensuring customer satisfaction, performance measurement, and dispute resolution in the IT function, but they are not directly related to the maturity model. A business resiliency plan is a document that outlines how an IT function will continue to operate or recover from a disruption or disaster. Business resiliency is important for ensuring availability, reliability, and security in the IT function, but it is not directly related to the maturity model. References: 1: Maturity Models for IT & Technology | Splunk 2: Responsibility assignment matrix - Wikipedia 3: Roles and Responsibilities Matrix - SDLCforms
A maturity model for a technology organization is a tool that measures the progress and capability of the IT function in relation to its goals, processes, and practices. A maturity model can help identify gaps and areas for improvement, as well as benchmark the IT function against industry standards or best practices. One of the key aspects of a maturity model is the definition and clarity of roles and responsibilities for the IT function and its stakeholders. A roles and responsibility matrix, such as a RACI matrix, is a document that clarifies who is responsible, accountable, consulted, and informed for each task or deliverable in a project or process. A roles and responsibility matrix can help avoid confusion, duplication, or omission of work, as well as ensure accountability and communication among the IT function and its customers, partners, and suppliers. Therefore, an IS auditor should focus on reviewing the roles and responsibility matrix when evaluating the maturity model for a technology organization.
A standard operating procedure (SOP) is a document that describes the steps and instructions for performing a routine or repetitive task or process. SOPs are important for ensuring consistency, quality, and compliance in the IT function, but they are not directly related to the maturity model. A service level agreement (SLA) is a contract that defines the expectations and obligations between an IT service provider and its customers. SLAs are important for ensuring customer satisfaction, performance measurement, and dispute resolution in the IT function, but they are not directly related to the maturity model. A business resiliency plan is a document that outlines how an IT function will continue to operate or recover from a disruption or disaster. Business resiliency is important for ensuring availability, reliability, and security in the IT function, but it is not directly related to the maturity model. References: 1: Maturity Models for IT & Technology | Splunk 2: Responsibility assignment matrix - Wikipedia 3: Roles and Responsibilities Matrix - SDLCforms
CISA-KR 문제 90
로컬 통신 루프에 대한 인터넷 연결의 중복 조합을 제공하는 복구 시설은 어떤 유형의 통신 연속성의 예입니까?
정답: D
Explanation
Recovery facilities providing a redundant combination of Internet connections to the local communications loop is an example of last-mile circuit protection. Last-mile circuit protection is a type of telecommunications continuity that ensures the availability and redundancy of the final segment of the network that connects the end-user to the service provider. The local communications loop, also known as the local loop or subscriber line, is the physical link between the customer premises and the nearest central office or point of presence of the service provider. By having multiple Internet connections from different providers or technologies, such as cable, DSL, fiber, wireless, or satellite, the recovery facilities can avoid losing connectivity in case one of the connections fails or is disrupted by a disaster5.
References:
9: Last Mile Redundancy - How to Ensure Business Continuity - Multapplied Networks
Recovery facilities providing a redundant combination of Internet connections to the local communications loop is an example of last-mile circuit protection. Last-mile circuit protection is a type of telecommunications continuity that ensures the availability and redundancy of the final segment of the network that connects the end-user to the service provider. The local communications loop, also known as the local loop or subscriber line, is the physical link between the customer premises and the nearest central office or point of presence of the service provider. By having multiple Internet connections from different providers or technologies, such as cable, DSL, fiber, wireless, or satellite, the recovery facilities can avoid losing connectivity in case one of the connections fails or is disrupted by a disaster5.
References:
9: Last Mile Redundancy - How to Ensure Business Continuity - Multapplied Networks
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