NETWORK SECURITY ATTACKS. ARP POISONING CASE STUDY

NETWORK SECURITY ATTACKS. ARP POISONING CASE STUDY

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Arp poisoning is one of the most common attacks in a switched network.A switch is a network device that limits the ability of attackers that use a packet sniffer to gain access to information from internal network read more traffic.However, using ARP poisoning the traffic between two computers can be intercepted even in a network that uses switches.

This method is known as man in the middle attack.With this type of attack the affected stations from a network will have invalid entries in the ARP table.Thus, it will contain only the correspondence between the IP addresses of the stations from the same network and a single MAC address (the station wac 4011 that initiated the attack).

In this paper we present step by step the initiation of such an attack in a network with three computers.We will intercept the traffic between two stations using the third one (the attacker).