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What is ARP Spoofing (ARP Poisoning)?

ARP spoofing is a type of attack in which a bad actor sends falsified ARP (Address Resolution Protocol) messages over a local area network. This results in the linking of an attacker’s MAC address with the IP address of a legitimate computer or server on the network. Once the attacker’s MAC address is connected to an authentic IP address, the attacker will begin receiving any data that is intended for that IP address. ARP spoofing can enable bad actors to intercept, modify or even stop data in-transit.

 

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