Guan-Hua Tu

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 35

Top Topics

Countermeasures

Top Venues

IEEE/ACM Trans. Netw.

Publications

Sihan Wang, Tian Xie, Min-Yue Chen, Guan-Hua Tu, Chi-Yu Li, Xinyu Lei, Po-Yi Chou, Fu-Cheng Hsieh, Yiwen Hu, Li Xiao, Chunyi Peng
Dissecting Operational Cellular IoT Service Security: Attacks and Defenses. IEEE/ACM Trans. Netw. 32 (2) (2024)
Shao-Jung Lu, Wei-Xun Chen, Yu-Shao Su, Yu-Shou Chang, Yao-Wen Liu, Chi-Yu Li, Guan-Hua Tu
Practical Latency-Aware Scheduling for Low-Latency Elephant VR Flows in Wi-Fi Networks. PerCom (2024)
Jingwen Shi, Sihan Wang, Min-Yue Chen, Guan-Hua Tu, Tian Xie, Man-Hsin Chen, Yiwen Hu, Chi-Yu Li, Chunyi Peng
IMS is Not That Secure on Your 5G/4G Phones. MobiCom (2024)
Yiwen Hu, Min-Yue Chen, Guan-Hua Tu, Chi-Yu Li, Sihan Wang, Jingwen Shi, Tian Xie, Li Xiao, Chunyi Peng, Zhaowei Tan, Songwu Lu
Unveiling the Insecurity of Operational Cellular Emergency Services (911): Vulnerabilities, Attacks, and Countermeasures. GetMobile Mob. Comput. Commun. 27 (1) (2023)
Tian Xie, Sihan Wang, Xinyu Lei, Jingwen Shi, Guan-Hua Tu, Chi-Yu Li
MPKIX: Towards More Accountable and Secure Internet Application Services via Mobile Networked Systems. IEEE Trans. Mob. Comput. 22 (6) (2023)
Yin-Chi Li, Ping-Tsan Liu, Yi-An Tai, Che-Hung Liu, Man-Hsin Chen, Chi-Yu Li, Guan-Hua Tu
A Runtime Anomaly Detector via Service Communication Proxy for 5G Mobile Networks. INFOCOM Workshops (2023)
Man-Hsin Chen, Chiung-I Wu, Yin-Chi Li, Chi-Yu Li, Guan-Hua Tu
Remote Detection of 4G/5G UEs Vulnerable to Stealthy Call DoS. INFOCOM Workshops (2023)
Jingwen Shi, Tian Xie, Guan-Hua Tu, Chunyi Peng, Chi-Yu Li, Andrew Z. Hou, Sihan Wang, Yiwen Hu, Xinyu Lei, Min-Yue Chen, Li Xiao, Xiaoming Liu
When Good Turns Evil: Encrypted 5G/4G Voice Calls Can Leak Your Identities. CNS (2023)
Xiao Zhang, Griffin Klevering, Xinyu Lei, Yiwen Hu, Li Xiao, Guan-Hua Tu
The Security in Optical Wireless Communication: A Survey. ACM Comput. Surv. 55 (14s) (2023)
Yu-Han Lu, Sandy Hsin-Yu Hsiao, Chi-Yu Li, Yi-Chen Hsieh, Po-Yi Chou, Yao-Yu Li, Tian Xie, Guan-Hua Tu
Insecurity of Operational IMS Call Systems: Vulnerabilities, Attacks, and Countermeasures. IEEE/ACM Trans. Netw. 31 (2) (2023)
Yiwen Hu, Min-Yue Chen, Guan-Hua Tu, Chi-Yu Li, Sihan Wang, Jingwen Shi, Tian Xie, Li Xiao, Chunyi Peng, Zhaowei Tan, Songwu Lu
Uncovering insecure designs of cellular emergency services (911). MobiCom (2022)
Chi-Lun Lin, Wen-Jia Chang, Guan-Hua Tu
Wi-Fi-Based Tracking of Human Walking for Home Health Monitoring. IEEE Internet Things J. 9 (11) (2022)
Sihan Wang, Guan-Hua Tu, Xinyu Lei, Tian Xie, Chi-Yu Li, Po-Yi Chou, Fu-Cheng Hsieh, Yiwen Hu, Li Xiao, Chunyi Peng
Insecurity of operational cellular IoT service: new vulnerabilities, attacks, and countermeasures. MobiCom (2021)
Tian Xie, Guan-Hua Tu, Bangjie Yin, Chi-Yu Li, Chunyi Peng, Mi Zhang, Hui Liu, Xiaoming Liu
The Untold Secrets of WiFi-Calling Services: Vulnerabilities, Attacks, and Countermeasures. IEEE Trans. Mob. Comput. 20 (11) (2021)
Yiwen Hu, Sihan Wang, Guan-Hua Tu, Li Xiao, Tian Xie, Xinyu Lei, Chi-Yu Li
Security Threats from Bitcoin Wallet Smartphone Applications: Vulnerabilities, Attacks, and Countermeasures. CODASPY (2021)
Tian Xie, Guan-Hua Tu, Chi-Yu Li, Chunyi Peng
How Can IoT Services Pose New Security Threats In Operational Cellular Networks? IEEE Trans. Mob. Comput. 20 (8) (2021)
Xinyu Lei, Guan-Hua Tu, Tian Xie, Sihan Wang
BFastPay: A Routing-free Protocol for Fast Payment in Bitcoin Network. CODASPY (2021)
Xinyu Lei, Guan-Hua Tu, Alex X. Liu, Tian Xie
Fast and Secure kNN Query Processing in Cloud Computing. CNS (2020)
Yu-Han Lu, Chi-Yu Li, Yao-Yu Li, Sandy Hsin-Yu Hsiao, Tian Xie, Guan-Hua Tu, Wei-Xun Chen
Ghost calls from operational 4G call systems: IMS vulnerability, call DoS attack, and countermeasure. MobiCom (2020)
Xinyu Lei, Guan-Hua Tu, Chi-Yu Li, Tian Xie, Mi Zhang
SecWIR: securing smart home IoT communications via wi-fi routers with embedded intelligence. MobiSys (2020)
Xinyu Lei, Tian Xie, Guan-Hua Tu, Alex X. Liu
An Inter-blockchain Escrow Approach for Fast Bitcoin Payment. ICDCS (2020)
Xinyu Lei, Alex X. Liu, Rui Li, Guan-Hua Tu
SecEQP: A Secure and Efficient Scheme for SkNN Query Problem Over Encrypted Geodata on Cloud. ICDE (2019)
Tian Xie, Sihan Wang, Guan-Hua Tu, Chi-Yu Li, Xinyu Lei
Exploring the Insecurity of Google Account Registration Protocol via Model Checking. SSCI (2019)
Chi-Yu Li, Giovanni Salinas, Po-Hao Huang, Guan-Hua Tu, Guo-Huang Hsu, Tien-Yuan Hsieh
V2PSense: Enabling Cellular-Based V2P Collision Warning Service through Mobile Sensing. ICC (2018)
Tian Xie, Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Jiawei Li, Mi Zhang
The Dark Side of Operational Wi-Fi Calling Services. CNS (2018)
Chi-Yu Li, Hsueh-Yang Liu, Po-Hao Huang, Hsu-Tung Chien, Guan-Hua Tu, Pei-Yuan Hong, Ying-Dar Lin
Mobile Edge Computing Platform Deployment in 4G LTE Networks: A Middlebox Approach. HotEdge (2018)
Xinyu Lei, Guan-Hua Tu, Alex X. Liu, Chi-Yu Li, Tian Xie
The Insecurity of Home Digital Voice Assistants - Vulnerabilities, Attacks and Countermeasures. CNS (2018)
Tian Xie, Chi-Yu Li, Jiliang Tang, Guan-Hua Tu
How Voice Service Threatens Cellular-Connected IoT Devices in the Operational 4G LTE Networks. ICC (2018)
Tian Xie, Guan-Hua Tu, Bangjie Yin, Chi-Yu Li, Chunyi Peng, Mi Zhang, Hui Liu, Xiaoming Liu
The Untold Secrets of Operational Wi-Fi Calling Services: Vulnerabilities, Attacks, and Countermeasures. CoRR (2018)
Yuanjie Li, Chunyi Peng, Haotian Deng, Zengwen Yuan, Guan-Hua Tu, Jiayao Li, Songwu Lu, Xi Li
Device-Customized Multi-Carrier Network Access on Commodity Smartphones. IEEE/ACM Trans. Netw. 26 (6) (2018)
Xinyu Lei, Guan-Hua Tu, Alex X. Liu, Chi-Yu Li, Tian Xie
The Insecurity of Home Digital Voice Assistants - Amazon Alexa as a Case Study. CoRR (2017)
Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Zengwen Yuan, Yuanjie Li, Xiaohu Zhao, Songwu Lu
VoLTE*: A Lightweight Voice Solution to 4G LTE Networks. HotMobile (2016)
Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Songwu Lu
Detecting Problematic Control-Plane Protocol Interactions in Mobile Networks. IEEE/ACM Trans. Netw. 24 (2) (2016)
Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Yuanjie Li, Songwu Lu
New Security Threats Caused by IMS-based SMS Service in 4G LTE Networks. CCS (2016)
Yuanjie Li, Haotian Deng, Chunyi Peng, Zengwen Yuan, Guan-Hua Tu, Jiayao Li, Songwu Lu
iCellular: Device-Customized Cellular Network Access on Commodity Smartphones. NSDI (2016)
Yuanjie Li, Haotian Deng, Chunyi Peng, Guan-Hua Tu, Jiayao Li, Zengwen Yuan, Songwu Lu
iCellular: Define Your Own Cellular Network Access on Commodity Smartphones. CoRR (2015)
Chi-Yu Li, Guan-Hua Tu, Chunyi Peng, Zengwen Yuan, Yuanjie Li, Songwu Lu, Xinbing Wang
Insecurity of Voice Solution VoLTE in LTE Mobile Networks. CCS (2015)
Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Muhammad Taqi Raza, Hsiao-Yun Tseng, Songwu Lu
New Threats to SMS-Assisted Mobile Internet Services from 4G LTE Networks. CoRR (2015)
Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Songwu Lu
How voice call technology poses security threats in 4G LTE networks. CNS (2015)
Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Hongyi Wang, Songwu Lu
Control-plane protocol interactions in cellular networks. SIGCOMM (2014)
Chunyi Peng, Chi-Yu Li, Hongyi Wang, Guan-Hua Tu, Songwu Lu
Real Threats to Your Data Bills: Security Loopholes and Defenses in Mobile Data Charging. CCS (2014)
Guan-Hua Tu, Chunyi Peng, Chi-Yu Li, Xingyu Ma, Hongqi Wang, Tao Wang, Songwu Lu
Accounting for roaming users on mobile data access: issues and root causes. MobiSys (2013)
Guan-Hua Tu, Chunyi Peng, Hongqi Wang, Chi-Yu Li, Songwu Lu
How voice calls affect data in operational LTE networks. MobiCom (2013)
Chunyi Peng, Chi-Yu Li, Guan-Hua Tu, Songwu Lu, Lixia Zhang
Mobile data charging: new attacks and countermeasures. CCS (2012)
Chunyi Peng, Guan-Hua Tu, Chi-Yu Li, Songwu Lu
Can we pay for what we get in 3G data access? MobiCom (2012)
Phone Lin, Guan-Hua Tu
An Improved GGSN Failure Restoration Mechanism for UMTS. Wirel. Networks 12 (1) (2006)
Shin-Ming Cheng, Phone Lin, Guan-Hua Tu, Li-Chen Fu, Ching-Feng Liang
An intelligent GGSN dispatching mechanism for UMTS. Comput. Commun. 28 (8) (2005)