CISA-KR 문제 71
공개적으로 이용 가능한 정보를 전송하는 데 사용되는 시스템 인터페이스를 검토하는 IS 감사자에게 가장 큰 관심사가 되어야 하는 것은 무엇입니까?
정답: D
Comprehensive and Detailed Step-by-Step Explanation:
Ensuring data integrity iscritical, even when handling publicly available information.
* Option A (Incorrect):While tracking system interfaces is useful formonitoring, it is not thegreatest concernif the data being transferred is publicly available.
* Option B (Incorrect):Encryption isimportant, but if the data is alreadypublic, therisk impact is lower compared to data integrity issues.
* Option C (Incorrect):Data interception may not be a critical issue forpublicdata unless it leads to modification or exploitation.
* Option D (Correct):If thedata from the originating system differsfrom the downloaded data, it indicates adata integrity failure. This could result from system errors, transmission faults, or tampering, making it thehighest riskfor an IS auditor to address.
Reference:ISACA CISA Review Manual -Domain 4: Information Systems Operations and Business Resilience- Covers system interfaces, data integrity, and auditing techniques.
Ensuring data integrity iscritical, even when handling publicly available information.
* Option A (Incorrect):While tracking system interfaces is useful formonitoring, it is not thegreatest concernif the data being transferred is publicly available.
* Option B (Incorrect):Encryption isimportant, but if the data is alreadypublic, therisk impact is lower compared to data integrity issues.
* Option C (Incorrect):Data interception may not be a critical issue forpublicdata unless it leads to modification or exploitation.
* Option D (Correct):If thedata from the originating system differsfrom the downloaded data, it indicates adata integrity failure. This could result from system errors, transmission faults, or tampering, making it thehighest riskfor an IS auditor to address.
Reference:ISACA CISA Review Manual -Domain 4: Information Systems Operations and Business Resilience- Covers system interfaces, data integrity, and auditing techniques.
CISA-KR 문제 72
다음 비즈니스 연속성 활동 중 중요 기능의 복구를 우선시하는 것은 무엇입니까?
정답: B
A business impact analysis (BIA) is a process that identifies and evaluates the potential effects or consequences of disruptions or disasters on an organization's critical business functions or processes. A BIA can help prioritize the recovery of critical functions by assessing their importance and urgency for the organization's operations, objectives, and stakeholders, and determining their recovery time objectives (RTOs), which are the maximum acceptable time for restoring a function after a disruption. A business continuity plan (BCP) testing is a process that verifies and validates the effectiveness and readiness of a BCP, which is a document that outlines the strategies and procedures for ensuring the continuity of critical business functions in the event of a disruption or disaster. A BCP testing does not prioritize the recovery of critical functions, but rather evaluates how well they are recovered according to the BCP. A disaster recovery plan (DRP) testing is a process that verifies and validates the effectiveness and readiness of a DRP, which is a document that outlines the technical and operational steps for restoring the IT systems and infrastructure that support critical business functions in the event of a disruption or disaster. A DRP testing does not prioritize the recovery of critical functions, but rather evaluates how well they are supported by the IT systems and infrastructure according to the DRP. A risk assessment is a process that identifies and analyzes the potential threats and vulnerabilities that could affect an organization's critical business functions or processes. A risk assessment does not prioritize the recovery of critical functions, but rather estimates their likelihood and impact of being disrupted by various risk scenarios.
CISA-KR 문제 73
다음 생체 인식 접근 제어 중에서 거짓 부정률이 가장 높은 것은 무엇입니까?
정답: B
Among the options provided, fingerprint scanning has the highest rate of false negatives. False negatives occur when a biometric system fails to recognize an authentic individual. Factors such as skin conditions (wet, dry, greasy), finger injuries, and inadequate scanning can contribute to false negatives in fingerprint scanning1. In comparison, iris recognition23, face recognition45, and retina scanning67 generally have lower rates of false negatives.
References:
How Accurate are today's Fingerprint Scanners? - Bayometric
25 Advantages and Disadvantages of Iris Recognition - Biometric Today
Iris Recognition Technology (or, Musings While Going through Airport ...
The Critics Were Wrong: NIST Data Shows the Best Facial Recognition Algorithms Are Neither Racist Nor Sexist | ITIF NIST Launches Studies into Masks' Effect on Face Recognition Software Retinal scan - Wikipedia How accurate are retinal security scans - Smart Eye Technology
References:
How Accurate are today's Fingerprint Scanners? - Bayometric
25 Advantages and Disadvantages of Iris Recognition - Biometric Today
Iris Recognition Technology (or, Musings While Going through Airport ...
The Critics Were Wrong: NIST Data Shows the Best Facial Recognition Algorithms Are Neither Racist Nor Sexist | ITIF NIST Launches Studies into Masks' Effect on Face Recognition Software Retinal scan - Wikipedia How accurate are retinal security scans - Smart Eye Technology
CISA-KR 문제 74
IS 감사원이 다가올 감사 범위에서 지원되지 않는 오래된 기술을 사용하는 산업 제어 시스템(ICS)을 검토하고 있습니다. 감사원은 무엇을 가장 중요한 우려 사항으로 간주해야 합니까?
정답: B
The most significant concern for an IS auditor when reviewing an industrial control system (ICS) that uses older unsupported technology in the scope of an upcoming audit is that there is a greater risk of system exploitation. System exploitation is an attack that occurs when an unauthorized entity or individual takes advantage of a vulnerability or weakness in a system to compromise its security or functionality. System exploitation can cause harm or damage to the system or its users, such as data loss, corruption, theft, manipulation, denial of service (DoS), etc. An ICS that uses older unsupported technology poses a high risk of system exploitation, as older technology may have known or unknown vulnerabilities or defects that have not been patched or fixed by the vendor or manufacturer, and unsupported technology may not receive any updates or support from the vendor or manufacturer in case of issues or incidents. Attack vectors are evolving for industrial control systems is a possible concern for an IS auditor when reviewing an ICS that uses older unsupported technology in the scope of an upcoming audit, but it is not the most significant one. Attack vectors are methods or pathways that attackers use to gain access to or attack a system. Attack vectors are evolving for industrial control systems, as attackers are developing new techniques or tools to target ICSs that are increasingly connected and complex. However, this concern may not be specific to older unsupported technology, as it may affect any ICS regardless of its technology level. Disaster recovery plans (DRPs) are not in place is a possible concern for an IS auditor when reviewing an ICS that uses older unsupported technology in the scope of an upcoming audit, but it is not the most significant one. DRPs are documents that outline the technical and operational steps for restoring the IT systems and infrastructure that support critical functions or processes in the event of a disruption or disaster. DRPs are not in place, as they may affect the availability and continuity of the ICS and its functions or processes in case of a failure or incident. However, this concern may not be related to older unsupported technology, as it may apply to any ICS regardless of its technology level.
Technical specifications are not documented is a possible concern for an IS auditor when reviewing an ICS that uses older unsupported technology in the scope of an upcoming audit, but it is not the most significant one. Technical specifications are documents that describe the technical characteristics or requirements of a system or component, such as functionality, performance, design, etc. Technical specifications are not documented, as they may affect the understanding, maintenance, and improvement of the ICS and its components. However, this concern may not beassociated with older unsupported technology, as it may affect any ICS regardless of its technology level.
Technical specifications are not documented is a possible concern for an IS auditor when reviewing an ICS that uses older unsupported technology in the scope of an upcoming audit, but it is not the most significant one. Technical specifications are documents that describe the technical characteristics or requirements of a system or component, such as functionality, performance, design, etc. Technical specifications are not documented, as they may affect the understanding, maintenance, and improvement of the ICS and its components. However, this concern may not beassociated with older unsupported technology, as it may affect any ICS regardless of its technology level.
CISA-KR 문제 75
다음 중 비즈니스 애플리케이션 시스템에 저장된 기밀 정보의 무단 검색을 방지하는 데 가장 적합한 것은 무엇입니까?
정답: C
The most appropriate control to prevent unauthorized retrieval of confidential information stored in a business application system is to enforce an internal data access policy. A data access policy defines who can access what data, under what conditions and for what purposes. It also specifies the roles and responsibilities of data owners, custodians and users, as well as the security measures and controls to protect data confidentiality, integrity and availability. By enforcing a data access policy, the organization can ensure that only authorized personnel can retrieve confidential information from the business application system. Applying single sign-on for access control, implementing segregation of duties and enforcing the use of digital signatures are also useful controls, but they are not sufficient to prevent unauthorized data retrieval without a clear and comprehensive data access policy. References:
* CISA Review Manual, 27th Edition, page 2301
* CISA Review Questions, Answers & Explanations Database - 12 Month Subscription2
* CISA Review Manual, 27th Edition, page 2301
* CISA Review Questions, Answers & Explanations Database - 12 Month Subscription2
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