Shujun Li

Detecting cyber security related Twitter accounts and different sub-groups

2021

Many cyber security experts, organizations, and cyber criminals are active users on online social networks (OSNs). Therefore, detecting cyber security related accounts on OSNs and monitoring their activities can be very useful for different purposes …

Identity Deepfake Threats to Biometric Authentication Systems: Public and Expert Perspectives

2025 · arXiv (Cornell University)

Generative AI (Gen-AI) deepfakes pose a rapidly evolving threat to biometric authentication, yet a significant gap exists between expert understanding of these risks and public perception. This disconnection creates critical vulnerabilities in systems trusted by …