ARP (Address Resolution Protocol) poisoning is a type of cyber attack where an attacker sends fake ARP messages to associate their MAC address with the IP address of a legitimate device on a network.
This allows the attacker to intercept, modify, or eavesdrop on traffic intended for the targeted device. ARP poisoning can be used to launch man-in-the-middle attacks, steal sensitive data, or inject malware into the network.
It can also be used to disrupt network communication and cause denial-of-service. To prevent ARP poisoning, networks can implement security measures such as static ARP entries, ARP spoofing detection tools, and VLAN segmentation.
Regular network monitoring and penetration testing can also help identify and mitigate ARP poisoning attacks. By understanding ARP poisoning, network administrators can take steps to secure their networks and protect against this common attack vector.
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