From a moat to drones: security for the new era Think of traditional cybersecurity like a medieval castle: you build strong walls, dig a moat, and post guards at the gates. Once someone proves their identity and gets through the checkpoint, you trust them; boot them out of the walls after inactivity and require them to go through the gate again. This worked when human users behaved predictably. Now, AI agents can potentially become Trojan horses at any moment, even after they are operating within the castle walls. AI agents move between systems instantaneously and constantly. As AI evolves from merely summarizing or giving advice to taking autonomous action, new threats emerge. AI agents can make decisions without asking for permission and even modify their own code. Suddenly, that castle model no longer works