I am a security researcher and fourth-year Ph.D student advised by Patrick Traynor. I am interested in adverserial machine learning and signal processing. Our lab is the Florida Institute for Cybersecurity (FICS) at the University of Florida.
CV, Google Scholar, LinkedIn



Hear "No Evil", See "Kenansville": Efficient and Transferable Black-Box Attacks on Speech Recognition and Voice Identification Systems.

  • Preprint
  • Hadi Abdullah, Muhammad Sajidur Rahman, Washington Garcia, Logan Blue, Kevin Warren, Anurag Swarnim Yadav, Tom Shrimpton, Patrick Traynor.
  • PaperProject Webpage


Practical Hidden Voice Attacks against Speech and Speaker Recognition Systems.

  • Network and Distributed System Security Symposium (NDSS), 2019.
  • 2nd place at CSAW'19 Applied Research Competition.
  • Hadi Abdullah, Washington Garcia, Christian Peeters, Patrick Traynor, Kevin Butler, and Joseph Wilson.
  • PaperProject Webpage - Code


2MA: Verifying Voice Commands via Two Microphone Authentication.

  • ASIA Conference on Information, Computer and Communications Security (ACM ASIACCS), 2018.
  • Logan Blue, Hadi Abdullah, Luis Vargas, Patrick Traynor.  In Proceedings of the 13th ACM 


Sonar: Detecting SS7 Redirection Attacks Via Call Audio-Based Distance Bounding

  • IEEE Symposium on Security and Privacy (S&P), 2018.
  • Christian Peeters, Hadi Abdullah, Nolen Scaife and Jasmine Bowers and Patrick Traynor and Bradley Reaves and Kevin Butler


AuthentiCall: Efficient Identity and Content Authentication for Phone Calls. 

  • USENIX Security Symposium, 2017.
  • Bradley Reaves, Logan Blue, Hadi Abdullah, Luis Vargas, Patrick Traynor, and Tom Shrimpton.


A novel approach of data sanitization by noise addition and knowledge discovery by clustering

  • Computer Networks and Information Security, 2015
  • Hadi Abdullah and Ahsan Siddique.