packet sniffer
<networking, tool, security>
A network monitoring utility program that captures data packets and decodes them using built-in knowledge of common protocols. Sniffers are used to help debug and monitor networking problems. A sniffer installed as malware might capture user names and passwords without the user's knowledge and transfer them to a criminal.
Last updated: 2022-12-07
Nearby terms:
Packet InterNet Groper ♦ packet radio ♦ packet sniffer ♦ packet sniffing ♦ packet switch
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