Author

Han-Ju Lee

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Jul 2026

Don't Trust the AI Ecosystem: Analyzing Privacy Leakage in Compromised Open-Source Components

GradLock is introduced, a novel training-time injection attack that stealthily injects sensitive training data directly into the model parameters and employs dynamic gradient locking to prevent payload degradation during the optimization process.

Jin-Seong Kim, Han-Ju Lee, Seok-Won Hong et al. · arXiv.org · 0 citations

Conference Jul 2026

Multi-dimensional Vulnerability Analysis of LM Safety Guards via Role-Goal-Format Decomposition

Current safety guard models for Large Language Models (LLMs) often fail to block complex Jailbreaking attacks because they focus on the structure of a prompt rather than its true intent. To evaluate this problem, we introduce the Role-Goal-Format (RGF) framework, which analyzes how the combination of a user’s persona,...

Jin-Seong Kim, Han-Ju Lee, Hyeon-Jin Jeong et al. · International Conference on... · 0 citations