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TopicsModel Backdoor Attacks Large language models Machine Learning

For Llama-3.1-8B model organisms, full-weight-fine-tuned backdoors outlast rank-64 LoRA backdoors under untargeted training.

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Advice for making robust-to-training model organisms Untraced · nothing upstream recorded

We find that LoRA-trained model organisms are much less robust than FWFT-trained model organisms, and continued LoRA-trained model organisms are especially non-robust

Advice for making robust-to-training model organismsextraction 0.85

Result 2, averaged Pareto curves over 15 backdoors on Llama-3.1-8B, rank-64 LoRA vs full-weight fine-tuning.

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Created by extractor · Nov 11, 2026. Every judgment on this page is accompanied by a reasoning trace.