Guan-Hua (Scott) Tu

Assistant Professor

Department of Computer Science and Engineering,
Michigan State University
428 S SHAW LN, ROOM 3115
East Lansing, MI 48824-1266
Email: ghtu AT msu.edu
Office: 1124 Engineering Building
My CV

Welcome

I am an assistant professor in the Department of Computer Science and Engineering at Michigan State University, and leading the Security, Networking and Mobile Systems Research (SNMS) laboratory (@ 2153EB) in the department. I received a Ph.D. degree in Computer Science from University of California, Los Angeles, where I was a member of the WiNG group led by Professor Songwu Lu, in 2015. Before that, I received an MS degree in Computer Science from National Taiwan University in 2003, and the B.S. degree in Computer Science from National Central University in 2001. My research interests are in the broad areas of security, IoT, mobile systems, and wireless networking, with a recent focus on innovating 5G/4G mobile network architecture/protocol/technologies, cellular/Wi-Fi IoT, secure cloud computing/services, blockchain technologies.

Recent News

  • Oct. 2020, I am invited to serve in the IEEE VNC'21 TPC and IFIP Networking'21 TPC.
  • Aug. 2020, I am invited to serve in the IEEE BigData'21 TPC.
  • July 2020, I am invited to serve in the ACM MobiCom'21 TPC.
  • May 2020, Our Wi-Fi Calling (VoWiFi) security paper is accepted to IEEE Transactions on Mobile Computing.
  • Apr. 2020, Our Wi-Fi IoT security paper is accepted to ACM Mobisys 2020.
  • Mar. 2020, Our cellular IoT security paper is accepted to IEEE Transactions on Mobile Computing.
  • Mar. 2020, Our cloud security paper is accepted to IEEE CNS'20.
  • Dec. 2019, Our 4G call system security paper is accepted to ACM Mobicom 2020.
  • Nov. 2019, Our Voice over Wi-Fi security research receives a Google Security Reward.
  • Sep. 2019, I am invited to serve in the IEEE VNC'19 TPC.
  • Aug. 2019, I am invited to serve in the IEEE BigData'19 TPC.
  • Jun. 2019, I am invited to serve in the IFIP Networking'20 TPC.
  • Mar. 2019, I am invited to serve in the NSF SaTC panel.
  • Feb. 2019, 1 paper is accepted by IEEE ICDE'19.
  • Oct. 2018, I am invited to serve in the IFIP Networking'19 TPC.
  • Sep. 2018, I am invited to serve in the IEEE ICDCS'19 TPC.
  • Aug. 2018, Receive an NSF award (CNS-1815636, leading PI) to support our research on side-channel attacks. Thanks NSF!
  • Aug. 2018, Receive an NSF award (CNS-1814551, leading PI) to support our research on cellular IoT security. Thanks NSF!
  • May 2018, Our Wi-Fi Calling paper won IEEE CNS'18 Best Paper Award.

Selected Publications

  • The Untold Secrets of WiFi-Calling Services: Vulnerabilities, Attacks, and Countermeasures
    Tian Xie, Guan-Hua Tu, Bangjie Yin, Chi-Yu Li, Chunyi Peng, Mi Zhang, Hui Liu, and Xiaoming Liu.
    accepted to IEEE Transactions on Mobile Computing (TMC), to appear. (Paper , BibTex )
  • SecWIR: Securing Smart Home IoT Communications via Wi-Fi Routers with Embedded Intelligence
    Xinyu Lei, Guan-Hua Tu, Chi-Yu Li, Tian Xie and Mi Zhang.
    accepted to ACM MOBISYS'20 (acceptance rate: 34/175 = 19.4%) (Paper , BibTex ).
  • How Can IoT Services Pose New Security Threats In Operational Cellular Networks?
    Tian Xie, Guan-Hua Tu, Chi-Yu Li, and Chunyi Peng.
    accepted to IEEE Transactions on Mobile Computing (TMC), to appear. (Paper , BibTex )
  • Ghost Calls from Operational 4G Call Systems: IMS Vulnerability, Call DoS Attack, and Countermeasure
    Yu-Han Lu, Chi-Yu Li, Yao-Yu Li, Sandy Hsin-Yu Hsiao, Tian Xie, Guan-Hua Tu, Wei-Xun Chen.
    ACM MOBICOM'20 (acceptance rate: 24/139 = 17.3%, Fall submission run) .
  • SecEQP: A Secure and Efficient Scheme for SkNN Query Problem over Encrypted Geodata on Cloud
    Xinyu Lei, Alex X. Liu, Rui Li, Guan-Hua Tu
    IEEE ICDE'19. (Paper , slides , BibTex )
  • Device-Customized Multi-Carrier Network Access on Commodity Smartphones
    Yuanjie Li, Chunyi Peng, Haotian Deng, Zengwen Yuan, Guan-Hua Tu, Jiayao Li, Songwu Lu
    IEEE/ACM Transactions on Networking, September 2018. (Paper , BibTex )
  • The Dark Side of Operational Wi-Fi Calling Services
    Tian Xie, Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Jaiwei Li, Mi Zhang
    IEEE CNS'18.(Paper , slides , BibTex )(acceptance rate: 51/181 = 28.1%)
    Best Paper Award, Google Security Reward
  • New Security Threats Caused by IMS-based SMS Service in 4G LTE Networks
    Guan-Hua Tu, Chi-Yu Li, Chunyi Peng, Yuanjie Li, Songwu Lu
    ACM CCS'16.(Paper , slides , BibTex ) (acceptance rate: 137/837 = 16.4%)
    Facebook Security Award
  • Detecting Problematic Control-Plane Protocol Interactions in Mobile Networks
    Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Songwu Lu
    IEEE/ACM Transactions on Networking, 24(2): 1209-1222, April 2016. (Paper , BibTex )
  • iCellular: Device-Customized Cellular Network Access on Commodity Smartphones
    Yuanjie Li, Haotian Deng, Chunyi Peng, Zengwen Yuan, Guan-Hua Tu, Jiayao Li and Songwu Lu
    Accepted to USENIX NSDI, 2016 (acceptance rate: 45/225 = 20%). (Paper )
  • Insecurity of Voice Solution VoLTE in LTE Mobile Networks
    Chi-Yu Li*, Guan-Hua Tu* (*:Co-Primary), Chunyi Peng, Zengwen Yuan, Yuanjie Li, Songwu Lu, Xinbing Wang
    ACM CCS'15.(Paper , slides , BibTex ) (acceptance rate: 128/646 = 19.8%)
  • Control-Plane Protocol Interactions in Cellular Networks
    Guan-Hua Tu, Yuanjie Li, Chunyi Peng, Chi-Yu Li, Hongyi Wang, Songwu Lu
    ACM SIGCOMM'14.(Paper , slides , BibTex )(acceptance rate: 45/237 = 19.0%)
  • Real Threats to Your Data Bills: Security Loopholes and Defenses in Mobile Data Charging
    Chunyi Peng, Chi-Yu Li, Hongyi Wang, Guan-Hua Tu, Songwu Lu
    ACM CCS'14.(Paper , BibTex )(acceptance rate: 114/585 = 19.5%)
  • How Voice Calls Affect Data in Operational LTE Networks
    Guan-Hua Tu, Chunyi Peng, Hongyi Wang, Chi-Yu Li, Songwu Lu
    ACM MOBICOM'13.(Paper , slides, BibTex )(acceptance rate: 28/208= 13.5%)
  • Accounting for Roaming Users on Mobile Data Access: Issues and Root Causes
    Guan-Hua Tu, Chunyi Peng, Chi-Yu Li and et al
    ACM MOBISYS'13.(Paper , slides, BibTex )(acceptance rate: 33/211= 15.6%)
  • Can We Pay for What We Get in 3G Data Access?
    Chunyi Peng*, Guan-Hua Tu* (*:Co-Primary), Chi-Yu Li, Songwu Lu
    ACM MOBICOM'12.(Paper , BibTex )). (acceptance rate: 32/212 = 15.1%)
  • Mobile Data Charging: New Attacks and Countermeasures
    Chunyi Peng, Chi-Yu Li, Guan-Hua Tu, Songwu Lu, Lixia Zhang
    ACM CCS'12.(Paper , slides, BibTex )(acceptance rate: 80/423 = 18.9%)