[KongchangAI]
ConceptSecAlign++

SecAlign

A fine-tuning-based defense method against LLM prompt injection that adjusts model behavior through training to resist injection attacks, but may impair the model's general performance in settings such as few-shot scenarios.

Timeline (last 90 days)

Oct 28

Under the black-box RL-Hammer attack, HoS's attack success rate (ASR) is only 10%, compared with 97% for the original GPT-OSS-20B model and 85% for SecAlign.

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Oct 28

HoS maintains the base model's performance on standard multiple-choice benchmarks and prompt settings, whereas SecAlign and ASIDE degrade in few-shot scenarios.

Unverified50%
Oct 28

On agent benchmarks of static attacks, HoS and SecAlign perform similarly and substantially outperform the safety-utility trade-off of base models.

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