After a nervous introduction, Lucky explained her problem, and learned from the hacker that Perez didn’t even know the extent of his achievements. He wasn’t just listening to pony transmissions, but he’d built a comprehensive map of the network, adding tiny camouflaged listening nodes along as many of its veins as he could. The network had three primary arteries, through one of which every message in Equestria eventually passed. All they had to do was insert the message there at the right time, with the right (incredibly basic) protocols, and it would be delivered to the destination they wanted.