Article

Beyond Injection Detection: A Positive-Security Prompt Firewall that Closes the Scope and PHI Gap SOTA Classifiers Miss in Healthcare

2026-06-06

Abstract excerpt

Large language models in autonomous agents process trusted instructions and untrusted data in one context window, exposing them to direct and indirect prompt injection. In healthcare the stakes are concrete: a 2025 JAMA Network Open study found commercial medical LLMs followed injected instructions in 94.4% of simulated patient encounters, including life-threatening recommendations [21]. Yet the decisive problem...

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Literature Corpus work: 5bf9bccd-88f3-534a-ae74-d05bdf10e3a1
DOI: 10.64898/2026.06.04.26354950

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