Isaca CISA Exam Dumps

The best way to reduce the immediate risk associated with using an unsupported version of the software is to segregate the outdated software system from the main network. This will limit the exposure of the system to potential attacks and prevent it from compromising other systems on the network. Segregating the system will also reduce the impact of any security incidents that may occur on the system.

Monitoring network traffic attempting to reach the outdated software system (option C) is not the best way to reduce the risk, as it will not prevent or stop any attacks on the system. It will only provide visibility into the network activity and alert the auditee of any suspicious or malicious traffic.

Verifying all patches have been applied to the software system's outdated version (option A) and closing all unused ports on the outdated software system (option B) are also not the best ways to reduce the risk, as they will not address the underlying issue of using an unsupported version of the software. Patches and ports may still have vulnerabilities that are not fixed by the vendor, and attackers may exploit them to gain access to the system.

Therefore, option D is the correct answer.

Introduction (Part 1 of 7: Mitigating Risks of Unsupported Operating Systems)

Summary (Part 7of 7: Mitigating Risks of Unsupported Operating Systems)

Upgrade, Retire, or Replace Unsupported Software (Part 4 of 7: Mitigating Risks of Unsupported Operating Systems)

An IT service desk is a function that provides technical support and assistance to the users of an organization's IT systems and services. An IT service desk typically handles issues such as software installation, hardware troubleshooting, network connectivity, password reset, system configuration,and user training. An IT service desk aims to ensure that the IT systems and services are available, reliable, secure, and efficient for the users.

One of the best indications that there are potential problems within an organization's IT service desk function is an excessive backlog of user requests. A backlog is a list of user requests that have not been resolved or completed by the IT service desk within a specified time frame. An excessive backlog means that the IT service desk is unable to meet the demand or expectations of the users, and that the users are experiencing delays, dissatisfaction, or frustration with the IT service desk.

An excessive backlog of user requests can indicate various problems within the IT service desk function, such as:

Insufficient staff, resources, or capacity to handle the volume or complexity of user requests

Ineffective processes, procedures, or tools for managing, prioritizing, or resolving user requests

Lack of skills, knowledge, or training among the IT service desk staff to deal with different types of user requests

Poor communication, collaboration, or coordination among the IT service desk staff or with other IT functions or stakeholders

Low quality, performance, or security of the IT systems or services that cause frequent or recurring user issues

Therefore, an excessive backlog of user requests is the best indication that there are potential problems within an organization's IT service desk function.

What is an IT Service Desk? Definition and Functions - Indeed

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The most important factor when defining the IS audit scope is to understand the relationship between IT and business risks, as this helps to identify the areas that have the most potential impact on the organization's objectives, performance, and value. By understanding the IT and business risks, the IS auditor can focus the audit scope on the key processes, systems, controls, and issues that need to be assessed and addressed.

References

ISACA CISA Review Manual, 27th Edition, page 256

Ten Factors to Consider when Setting the Scope of an Internal Audit

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Discovery sampling is a type of statistical sampling that's used when the expected error rate in the population is very low1.This method is designed to discover at least one instance of an attribute or condition in a population1.It's often used in auditing to uncover fraud or noncompliance with rules and regulations1.

What are sampling methods and how do you choose the best one?

Continuous auditing provides the greatest assurance that a middleware application compiling data from multiple sales transaction databases for forecasting is operating effectively12.Continuous auditing involves the use of automated tools to continuously monitor and audit a system's operations12.This allows for real-time identification and resolution of issues, ensuring that the system is always functioning as expected12.It also provides ongoing assurance about the integrity and reliability of the data being compiled by the middleware application12.

5 Data Integration Methods and Strategies | Talend

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