Ways Businesses Can Prevent ARP Poisoning

Address resolution protocol (ARP) poisoning is a cyber-attack over a local area network (LAN). It lets hackers send malicious ARP packets to a default gateway on a LAN and disguise their IP addresses’ location to target the devices for malicious activities.

Set Static ARP Tables

Businesses can statically map all the media access control (MAC) addresses in their network across appropriate addresses. It prevents ARP poisoning attacks but adds to the massive admin burden.

Physical Security

Controlling physical access can help prevent ARP poisoning attacks. Since ARP messages cannot reach beyond the boundaries of the local network, the cyber-attackers might hide within physical proximity to the victim’s network or who already has machine control of the network.

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