During a forensic investigation, why might live analysis be performed?

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Live analysis is performed during a forensic investigation primarily to capture data that is only available while a system is running. This process allows forensic investigators to examine volatile data, such as information stored in RAM, active network connections, and any processes that are currently executing. This data can provide critical insights into the system's state at the time of investigation, including active processes, user activity, and potential indicators of compromise that would be lost if the system were powered down or rebooted.

The other choices focus on aspects that either do not relate directly to live analysis or are associated with different aspects of digital forensics. Creating a disk image is typically done in a static analysis when the system is not running, ensuring that the evidence is preserved in a snapshot without any alterations. Resetting the device interrupts live operations and can result in the loss of valuable data. Analyzing historical data involves looking at logs or previously recorded information, which does not align with the purpose of live analysis, as that focuses on the current state of the system.

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