Thursday, November 12, 2026 · No. 42Published by HJITM · 한국어 ·

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Defensive Tech

Red Hat and Nvidia Release OpenShell to Counter Prompt Injection Attacks

Original headline: Red Hat and Nvidia’s OpenShell puts AI agents on a deny-by-default leash

As prompt injection attacks surged, Red Hat and Nvidia created OpenShell, an open‑source project that restricts what AI agents can do. OpenShell adopts a deny‑by‑default stance, allowing only explicitly permitted actions.

By enforcing a default‑deny model, OpenShell reduces the risk of AI agent misuse and strengthens overall system security.

Research angleHow do prompt‑injection mitigation mechanisms affect users' trust in AI agents? — Protection Motivation Theory

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