Top 5 Things CISOs Need to Do Today to Secure AI Agents

AI agents are autonomous software systems that can plan, decide, and act independently across connected systems, often without human oversight, creating significant security risks that traditional guardrails (like prompt filtering) cannot adequately address. The article argues that identity-based access control, rather than prompt restrictions or network controls, is the foundation for securing AI agents. CISOs must treat AI agents as first-class identities, shift from guardrails to strict access control, and eliminate shadow AI (unauthorized agents) through continuous discovery and visibility of agent identities.