Ignore DNSSEC if you like MITM attacks (opens in new tab)

One day around 2010, we experimented at work with ARP poisoning and intercepting traffic for other hosts on the network at work. We immediately saw all traffic flowing through the network. Between all that data, we caught a glace of bits of messages of a few colleagues talking to their families over MSN Messenger. Shit, we didn’t mean to spy on anyone, we were trying to understand our network security better. The experience was unsettling. Hubs and open Wi-Fi networks were also still common b...