most citedAlphaSteer: Learning Refusal Steering with Principled Null-Space Constraint

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cs.CR2026

LMSM: LLM Security Framework Inspired by Linux Security Modules

XiuYu Zhang, Bonan Ruan, Junfeng Fang +3

Large language models (LLMs) are increasingly deployed with layered defenses, yet malicious prompts can still bypass them. Interpretability methods can expose model-internal signal…

cs.CR2025

PromoGuardian: Detecting Promotion Abuse Fraud with Multi-Relation Fused Graph Neural Networks

Shaofei Li, Xiao Han, Ziqi Zhang +6

As e-commerce platforms develop, fraudulent activities are increasingly emerging, posing significant threats to the security and stability of these platforms. Promotion abuse is on…