During a review of abnormal messages from a sensor device, a security team needs direct visibility into its exchanges for detailed analysis. Which method best enables inspection of the raw transmissions from this device in real time?
Check domain registrations to see if the sensor has external references
Map linked resources to discover external sites related to the device
Probe the device for open services with a scanning approach
Monitor data using a specialized tool that observes all frames
Monitoring data with a utility configured to observe all frames reveals the content of traffic as it moves through the environment. Probing for open services focuses on determining if the device is listening on specific ports rather than viewing ongoing data. Checking domain records shows information about names and references but does not expose the substance of messages. Mapping site references identifies external connections but does not display actual transmissions. By observing all frames, investigators can see the exact data that is traveling and identify anomalies or suspicious behavior more effectively.
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What does 'observing all frames' mean in network analysis?
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What is the difference between analyzing frames and probing open services?
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What tools are commonly used for monitoring and capturing all frames on a network?