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arxiv_cs_cl · Oct 27, 2026 · paper

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Heads of Security: Learned Attention Gates Improve Prompt Injection Robustness

arxiv.orgOct 27, 2026
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In brief

We introduce Heads of Security (HoS), a prompt injection defense that enforces instruction-data separation via a small set of learned per-head attention gates. HoS learns how each head should redistribute attention be...

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Heads of Security: Learned Attention Gates Improve Prompt Injection Robustness

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