The captured information is decoded from raw digital form into a human-readable format that permits users of the protocol analyzer to easily review the exchanged information.
Packet analyzer (aka network analyzer, protocol analyzer or sniffer), computer software or hardware that can intercept and log traffic passing over a digital network
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Anyone within the geographical network range of an open, unencrypted wireless network can 'sniff' or capture and record the traffic, gain unauthorized access to internal network resources as well as to the internet, and then use the information and resources to perform disruptive or illegal acts.