ARP (Address Resolution Protocol) Poisoning, also known as ARP Spoofing, is a type of cyber attack where an attacker sends falsified ARP messages over a local network to associate their MAC address with the IP address of another device (typically the gateway or another host). This allows the attacker to intercept, modify, or block data packets.How ARP Poisoning Works :ARP Basics:ARP is used to map IP addresses to MAC addresses in a Local Area Network (LAN).Devices maintain an ARP cache that stores these mappings.Poisoning Process:The attacker sends fake ARP replies to victims, associating their MAC address with the IP of the default gateway (router) or another target device.This tricks victims into sending their network traffic to the attacker instead of the legitimate destination.Man-in-the-Middle (MITM) Attack:The attacker can now intercept, modify, or block data before forwarding it to the intended recipient.This allows for data theft, session hijacking, and further network exploitation.Consequences of ARP Poisoning✅ Eavesdropping – Attacker can intercept sensitive data like passwords, banking details, and personal messages.✅ Man-in-the-Middle (MITM) Attacks – Attacker can alter data, inject malicious content, or disrupt communication.✅ Denial of Service (DoS) – By poisoning multiple devices, an attacker can disrupt network connectivity.✅ Session Hijacking – An attacker can steal active session tokens to impersonate users.--_

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