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How-To Geek

Sniffing

In network security, sniffing is the act of examining network traffic. This is the digital equivalent of eavesdropping on a conversation or telephone call; all unencrypted traffic on the network is visible to anyone with access to the network and appropriate tools to examine the packets of data passing by.

Vulnerability to data sniffing is the primary reason for using websites with HTTPS encryption and employing tactics like routing Wi-Fi traffic while traveling through an encrypted tunnel.

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