3 papers
cs.CL2026
Detecting LLM-Assisted Vietnamese Writing via Keystrokes under Behavioral Manipulation
Thanh Dong, An Ngo, Minh Dau +1
We study the robustness of keystroke dynamics for detecting large language model (LLM)-assisted writing. We introduce a Vietnamese keystroke dataset capturing realistic writing mod…
cs.LG2025
LLM-Assisted Cheating Detection in Korean Language via Keystrokes
Dong Hyun Roh, Rajesh Kumar, An Ngo
This paper presents a keystroke-based framework for detecting LLM-assisted cheating in Korean, addressing key gaps in prior research regarding language coverage, cognitive context,…
cs.CV2023
Deep Generative Attacks and Countermeasures for Data-Driven Offline Signature Verification
An Ngo, Rajesh Kumar, Phuong Cao
This study investigates the vulnerabilities of data-driven offline signature verification (DASV) systems to generative attacks and proposes robust countermeasures. Specifically, we…