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ARP-Spoofing

ARP-Spoofing>>>>>>>>>>>>>>>>>>>>>>>>>>

ARP-Spoofing is a type of attack in which a potentially malicious actor sends spoofed ARP messages (Address Resolution Protocol) over a local network. This results in an attacker’s MAC address being associated with the IP address of a legitimate computer or server on the network. Once the attacker’s MAC address is associated with an authentic IP address, the attacker receives all data destined for that IP address. Through ARP-Spoofing, malicious parties can intercept, modify, or even stop data in transit.

How does an attack work?

Spoofing attacks like this usually proceed in a similar manner. The steps to an attack usually include:

1. the attacker opens a ARP-Spoofing tool and sets the tool’s IP address to match a target’s IP subnet.

2. the attacker uses the spoofing tool to look for the IP and MAC addresses of hosts on the target’s subnet.

The attacker selects his target and begins sending ARP packets over the LAN that contain the attacker’s MAC address and the target’s IP address.

4. while other hosts on the LAN cache the spoofed ARP packets, the data these hosts send to the victim goes to the attacker instead. From here, the attacker can steal data or launch a more complex follow-up attack.


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