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protecting qwen3-8b from gcg based persona jailbreaks by steering with a linear direction.

LessWrongAnalysis or commentary·
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An independent extension of work done during Eleuther's SOAR program found that LLMs given a GCG trigger optimised for output logit entropy will randomly take on new personas. The post describes steering qwen3-8b with a linear direction to protect against GCG-based persona jailbreaks.

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“Intro + Background This post is an independent extension of work which I did during Eleuther's SOAR program under Suvajit Majumder's supervision. I found that when given a GCG trigger optimised for output logit entropy, LLMs will randomly take on new personas.”
LessWrong, 28 Sept 2026, 17:25.

Interpretation or community commentary rather than straight reporting.

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