AI ResearchJun 26, 2026, 5:08 PM

Agent-Native Immune System: Architecture, Taxonomy, and Engineering

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Researchers propose an Agent-Native Immune System (ANIS) to address runtime security vulnerabilities in autonomous AI agents, highlighting flaws in current defense mechanisms like perimeter security and alignment.

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The transition from static chat bots to autonomous agents--equipped with persistent memory, tool-use protocols, and multi-agent collaboration--has fundamentally expanded the AI threat landscape. Current defense mechanisms, such as perimeter security and training-time alignment, remain external to the agent's active reasoning loop. Consequently, they fall short: a fully aligned agent remains highly vulnerable to runtime hijacking via memory poisoning, tool-chain manipulation, or multi-agent protocol attacks. To address this critical gap, we introduce the Agent-Native Immune System (ANIS), the f

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