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The Register

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Redefining identity security in the age of agentic AI

  • Agentic AI systems are transforming cybersecurity by operating autonomously and adapting continuously without human input.
  • Enterprises scaling their AI deployments need to evolve identity security to maintain control, manage risks, and uphold trust.
  • Unlike traditional AI, agentic AI systems operate independently, coordinate with other agents, and optimize outcomes without human-defined boundaries.
  • Autonomous AI agents in healthcare, finance, and emergency response sectors handle tasks independently, shifting focus from assistance to autonomous execution.
  • The shift to autonomous AI necessitates dynamic identity models that accommodate machine-led decision-making at scale to counter evolving security risks.
  • Threat actors exploit AI's autonomy by mimicking human identities, bypassing controls, and elevating privileges, making autonomous systems vulnerable to attacks.
  • Identity security approaches need to evolve to address the rising sophistication of machine agents, scrutinizing every action for potential risks.
  • Key priorities in identity security for AI include lifecycle governance, contextual authorization, traceability, and just-in-time access to limit exposure in case of compromise.
  • Delinea proposes an identity-first security strategy for AI, emphasizing automated policy enforcement, least-privilege principles, and regulatory compliance for machine identities.
  • Organizations should inventory machine identities, define behavioral boundaries, adopt least privilege models, go beyond authentication, and continuously audit AI agent activity to enhance security.
  • Agentic AI is already influencing core business operations, and organizations embedding identity into their AI strategies will be better equipped to defend against threats and drive responsible AI innovation.

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