Network sniffing using wireshark tool

Sniffing in cyber security is the technique of monitoring and capturing data packets as they travel across a network, often used by administrators for troubleshooting but exploited by attackers to steal sensitive information like passwords and financial data.

The two primary types of sniffing are passive sniffing, which involves observing traffic on unswitched networks (hubs) without interacting, and active sniffing, which requires injecting traffic into switched networks to redirect data to the attacker. Attackers commonly utilize tools like Wireshark, tcpdump, and Ettercap to perform these attacks, which can be mitigated by using encryption protocols (HTTPS, WPA3) and Virtual Private Networks (VPNs).

For YouTube content creators, this topic typically covers:

Definitions and Mechanics: Explaining how packet analyzers work at the data link layer to eavesdrop on network conversations.
Attack Types: Detailing ARP spoofing, DNS spoofing, and Man-in-the-Middle (MitM) attacks as advanced sniffing methods.
Defense Strategies: Demonstrating how to protect networks using firewalls, strong authentication, and encrypted connections
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