5 papers
Pepper: High-bandwidth and Scalable Anonymous Broadcast with Cryptographic Privacy
Chenghao Li, Haoyuan Wang, Xianghang Mi
We present Pepper, a high-bandwidth anonymous broadcast protocol that provides cryptographic sender anonymity against global adversaries. Pepper builds on a two-server DC-net archi…
ICL-EVADER: Zero-Query Black-Box Evasion Attacks on In-Context Learning and Their Defenses
Ningyuan He, Ronghong Huang, Qianqian Tang +3
In-context learning (ICL) has become a powerful, data-efficient paradigm for text classification using large language models. However, its robustness against realistic adversarial…
Okara: Detection and Attribution of TLS Man-in-the-Middle Vulnerabilities in Android Apps with Foundation Models
Haoyun Yang, Ronghong Huang, Yong Fang +4
Transport Layer Security (TLS) is fundamental to secure online communication, yet vulnerabilities in certificate validation that enable Man-in-the-Middle (MitM) attacks remain a pe…
Dissecting Open Edge Computing Platforms: Ecosystem, Usage, and Security Risks
Yu Bi, Mingshuo Yang, Yong Fang +4
Emerging in recent years, open edge computing platforms (OECPs) claim large-scale edge nodes, the extensive usage and adoption, as well as the openness to any third parties to join…
Detecting and Understanding the Promotion of Illicit Goods and Services on Twitter
Hongyu Wang, Ying Li, Ronghong Huang +1
In this study, we reveal, for the first time, popular online social networks (especially Twitter) are being extensively abused by miscreants to promote illicit goods and services o…