An organization wants an independent measure of an outsourced system's availability. This measure is directly related to contractual payment obligations. Which of the following procedures would an IS auditor MOST likely recommend?
A.
Requiring end users to report any service disruptions
B.
Polling the remote service at regular intervals
C.
Scanning for errors or warnings from system logs
D.
Comparing downtime to approved maintenance windows
Regular polling helps ensure that the measurements are independent, consistent, and reflect the actual performance of the outsourced system, making it a suitable choice for assessing contractual payment obligations related to availability.
The IS auditor would most likely recommend option B: Polling the remote service at regular intervals.
Polling the remote service at regular intervals, is a common approach to independently measure the availability of an outsourced system. It involves automated monitoring tools that regularly check the status of the remote service. This approach provides real-time or near-real-time data on availability without relying solely on user reports or internal logs. It offers an objective and independent measure that can be used for contractual payment obligations.
A. Requiring end users to report any service disruptions: While end user reports can provide valuable information, relying solely on them can lead to delays in identifying service disruptions and may not provide an independent and objective measure of availability.
C. Scanning for errors or warnings from system logs: System logs can be useful for identifying issues, but they may not provide a real-time or continuous measure of availability, and they might miss certain types of disruptions.
D. Comparing downtime to approved maintenance windows: This can be a valuable measure, but it's not independent, as it relies on information provided by the organization itself. It also doesn't provide continuous monitoring of availability.
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