Cybersecurity Glossary: Terms Explained in Plain English | TecnetOne

What Is Packet Sniffing? Definition | TecnetOne Glossary

Written by Tecnet One | Oct 6, 2026, 11:30:54 PM

Packet sniffing is capturing the traffic that crosses a network to read its contents: passwords, emails, sessions or files sent without encryption. An attacker does it with a packet analyzer connected to the network, for example on public Wi-Fi or an internal segment they've already accessed.

How TecnetOne handles it: Managed Firewall

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