Identity Is the New Perimeter: Managing AI Agents As Digital Actors

As cloud systems, remote work, and AI agents dissolve traditional security perimeters, identity is becoming the new control layer. The article traces the evolution from perimeter-based security to zero trust and now to identity-first architectures, where every actor—human or AI—is continuously verified and governed. With AI agents acting autonomously across systems, organizations must treat them as active participants with defined permissions, constraints, and monitoring to prevent unintended an