All Stories

  1. The Lens Is Not the Problem: Understanding Potential Privacy Risks and User Concerns in AI Glasses

    Article • October 2026, ACM (Association for Computing Machinery)

    Yicheng Zhang, Long Cheng

  2. Assessing and Improving Prompting Large Language Models for Software Vulnerability Analysis

    Article • ACM Transactions on Software Engineering and Methodology, June 2026, ACM (Association for Computing Machinery)

    Long Cheng

  3. A First Look at Security and Privacy Risks in the RapidAPI Ecosystem

    Article • December 2024, ACM (Association for Computing Machinery)

    Haipeng Cai, Long Cheng

  4. End-Users Know Best: Identifying Undesired Behavior of Alexa Skills Through User Review Analysis

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, August 2024, ACM (Association for Computing Machinery)

    Long Cheng, Haipeng Cai

  5. Command Hijacking on Voice-Controlled IoT in Amazon Alexa Platform

    Article • July 2024, ACM (Association for Computing Machinery)

    Long Cheng, Xianghang Mi, Wenbo Ding

  6. A Survey on Network Attack Surface Mapping

    Article • ACM Transactions on Computing Education, June 2024, ACM (Association for Computing Machinery)

    Long Cheng

  7. FreeEM: Uncovering Parallel Memory EMR Covert Communication in Volatile Environments

    Article • June 2024, ACM (Association for Computing Machinery)

    Long Cheng

  8. Understanding GDPR Non-Compliance in Privacy Policies of Alexa Skills in European Marketplaces

    Article • May 2024, ACM (Association for Computing Machinery)

    Haipeng Cai, Long Cheng

  9. PyRTFuzz: Detecting Bugs in Python Runtimes via Two-Level Collaborative Fuzzing

    Article • November 2023, ACM (Association for Computing Machinery)

    Long Cheng, Haipeng Cai

  10. SkillScanner: Detecting Policy-Violating Voice Applications Through Static Analysis at the Development Phase

    Article • November 2023, ACM (Association for Computing Machinery)

    Long Cheng, Haipeng Cai

  11. COVID-19-related hateful memes had a bigger negative impact on people compared to hateful text

    Article • November 2023, ACM (Association for Computing Machinery)

    Long Cheng, Ph.D. Candidate Keyan Guo, Nishant Vishwamitra, Zheyuan Ma

  12. Deep Learning-based Anomaly Detection in Cyber-physical Systems

    Article • ACM Computing Surveys, June 2022, ACM (Association for Computing Machinery)

    Long Cheng

  13. Towards Automated Content-based Photo Privacy Control in User-Centered Social Networks

    Article • April 2022, ACM (Association for Computing Machinery)

    Long Cheng

  14. Exploitation Techniques for Data-oriented Attacks with Existing and Potential Defense Approaches

    Article • ACM Transactions on Privacy and Security, November 2021, ACM (Association for Computing Machinery)

    Long Cheng, Haipeng Cai

  15. Measuring the Effectiveness of Privacy Policies for Voice Assistant Applications

    Article • December 2020, ACM (Association for Computing Machinery)

    Long Cheng

  16. Dangerous Skills Got Certified: Measuring the Trustworthiness of Skill Certification in Voice Personal Assistant Platforms

    Article • October 2020, ACM (Association for Computing Machinery)

    Long Cheng

  17. AuthCTC: Defending Against Waveform Emulation Attack in Heterogeneous IoT Environments

    Article • October 2020, ACM (Association for Computing Machinery)

    Long Cheng

  18. DeepPower: Non-intrusive and Deep Learning-based Detection of IoT Malware Using Power Side Channels

    Article • October 2020, ACM (Association for Computing Machinery)

    Long Cheng

  19. Provably Secure Anonymous-yet-Accountable Crowdsensing with Scalable Sublinear Revocation

    Article • Proceedings on Privacy Enhancing Technologies, January 2017, De Gruyter

    Long Cheng

  20. Unearthing Stealthy Program Attacks Buried in Extremely Long Execution Paths

    Article • October 2015, ACM (Association for Computing Machinery)

    Long Cheng

  21. Visualizing Traffic Causality for Analyzing Network Anomalies

    Article • March 2015, ACM (Association for Computing Machinery)

    Long Cheng

  22. Rapid Screening of Transformed Data Leaks with Efficient Algorithms and Parallel Computing

    Article • March 2015, ACM (Association for Computing Machinery)

    Long Cheng

  23. Privacy-Preserving Scanning of Big Content for Sensitive Data Exposure with MapReduce

    Article • March 2015, ACM (Association for Computing Machinery)

    Long Cheng