Currently Associate Professor and Associate Chair for Research at UW-Madison ECE
Leads the WI-PI research group with multiple active projects
User-centered Privacy: Developed intuitive privacy awareness and control systems for privacy policies, online settings, cookie notices, always-listening voice assistants, social robots, and video conferencing apps
Security and Privacy of ML Systems: Investigated privacy and security of face recognition, image classification, keyword spotting, speaker identification, and skill squatting
Data and Sensor Privacy: Designed theoretically grounded, deployable, and usable privacy-preserving mechanisms for eye tracking, speech recognition, and acoustic sensing
User Authentication: Built authentication mechanisms using commodity sensors for biometric challenge-response, pedestrian-vehicle authentication, and device-to-device pairing
Background
Associate Professor in the Department of Electrical and Computer Engineering at the University of Wisconsin - Madison
Affiliate faculty in the Department of Computer Sciences
Serves as the inaugural Associate Chair for Research in ECE
Leads the WI-PI research group
Research interests primarily include security and privacy for users interacting with their devices, with emphasis on voice interfaces, privacy policies, malware detection, data privacy, and wireless security and privacy
Overall research goal is to bring effective, practical, and usable security and privacy protection to the masses, especially in the emerging Internet of Things computing paradigm
Past research contributions also span software systems, wireless communications, and networks