The chief information officer of an accounting firm believes sensitive data is being exposed on...

Comprehensive and Detailed Explanation From Exact Extract:

A sniffer, also known as a packet analyzer, captures network traffic in real time and allows IT staff to monitor and analyze data packets passing through the network. This is crucial when investigating potential data leaks or network vulnerabilities. Using a sniffer helps identify unauthorized transmissions of sensitive data and trace suspicious activity at the packet level.

Sniffers collect raw network data which can be analyzed for patterns or anomalies.

According to NIST guidelines on network forensics, packet capture tools (sniffers) are essential in gathering digital evidence related to network security incidents.