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As you saw in a previous post, DHCP Hacking Made Easy, poorly configured networks can serve as an attack vector for “The Attacker”. In this entry, we continue this exploration with another dead simple attack on the network, ARP spoofing. ARP is the protocol responsible for informing hosts within a given LAN, which IP addresses belong to which MAC addresses. What happens when we provide bad...

Poorly configured networks are vulnerable to many attacks. Easy attacks. In this blog we will demonstrate how easy it is to perform a DoS attack on a DHCP scope. Afterwards, we will remediate our poorly configured network devices with a security feature that you should include on every deployment to protect against this type of attack.