3 papers
cs.CR2026
PIIGuard: Mitigating PII Harvesting under Adversarial Sanitization
Mingshuo Liu, Yiwei Zha, Min Chen
Browsing-enabled LLM assistants can fetch webpages and answer contact-seeking queries, creating a practical channel for scraping contact-style personally identifiable information (…
cs.CL2025
PADBen: A Comprehensive Benchmark for Evaluating AI Text Detectors Against Paraphrase Attacks
Yiwei Zha, Rui Min, Shanu Sushmita
While AI-generated text (AIGT) detectors achieve over 90\% accuracy on direct LLM outputs, they fail catastrophically against iteratively-paraphrased content. We investigate why it…
cs.CE2025
SMARTFinRAG: Interactive Modularized Financial RAG Benchmark
Yiwei Zha
Financial sectors are rapidly adopting language model technologies, yet evaluating specialized RAG systems in this domain remains challenging. This paper introduces SMARTFinRAG, ad…