IsolateGPT: An Execution Isolation Architecture for LLM-Based Systems
Yuhao Wu, Franziska Roesner, Tadayoshi Kohno, Ning Zhang, Umar Iqbal
Network and Distributed System Security Symposium (NDSS), 2025.LLM Platform Security: Applying a Systematic Evaluation Framework to OpenAI's ChatGPT Plugins
Umar Iqbal, Tadayoshi Kohno, Franziska Roesner
AAAI Conference on AI, Ethics, and Society (AIES), 2024.Appeared at FTC PrivacyCon, 2024
PURL: Safe and Effective Sanitization of Link Decoration
Shaoor Munir, Patrick Lee, Umar Iqbal, Sandra Siby, Zubair Shafiq
USENIX Security Symposium (USENIX), 2024.Opted Out, Yet Tracked: Are Regulations Enough to Protect Your Privacy?
Zengrui Liu, Umar Iqbal, Nitesh Saxena
Privacy Enhancing Technologies Symposium (PETS), 2024.Tracking, Profiling, and Ad Targeting in the Alexa Echo Smart Speaker Ecosystem
Umar Iqbal, Pouneh Nikkhah Bahrami, Rahmadi Trimananda, Hao Cui, Alexander Gamero-Garrido, Daniel Dubois, David Choffnes, Athina Markopoulou, Franziska Roesner, Zubair Shafiq
ACM Internet Measurement Conference (IMC), 2023.Appeared at FTC PrivacyCon, 2022
Best paper award
Caspar Bowden Award for Outstanding Research in PET Runner-Up, 2024
CookieGraph: Measuring and Countering First-Party Tracking Cookies
Shaoor Munir, Sandra Siby, Umar Iqbal, Steven Englehardt, Zubair Shafiq, Carmela Troncoso
ACM Conference on Computer and Communications Security (CCS), 2023.Gender Biases in Tone Analysis: A Case Study of a Commercial Wearable Device
Christina Yeung, Umar Iqbal, Tadayoshi Kohno, Franziska Roesner
ACM Conference on Equity and Access in Algorithms, Mechanisms, and Optimization (EAAMO), 2023.Online Advertising in Ukraine and Russia During the 2022 Russian Invasion
Christina Yeung, Umar Iqbal, Yekaterina O'Neil, Tadayoshi Kohno, Franziska Roesner
The Web Conference (WWW), 2023.Spotlight paper (candidate for the best paper award)
Khaleesi: Breaker of Advertising and Tracking Request Chains
Umar Iqbal, Charlie Wolfe, Charles Nguyen, Steven Englehardt, Zubair Shafiq
USENIX Security Symposium (USENIX), 2022.WebGraph: Capturing Advertising and Tracking Information Flows for Robust Blocking
Sandra Siby, Umar Iqbal, Steven Englehardt, Zubair Shafiq, Carmela Troncoso
USENIX Security Symposium (USENIX), 2022.FP-Radar: Longitudinal Measurement and Early Detection of Browser Fingerprinting
Pouneh Nikkhah Bahrami, Umar Iqbal, Zubair Shafiq
Privacy Enhancing Technologies Symposium (PETS), 2022.Eluding ML-based Adblockers With Actionable Adversarial Examples
Shitong Zhu, Zhongjie Wang, Xun Chen, Shasha Li, Keyu Man, Umar Iqbal, Zhiyun Qian, Kevin S Chan, Srikanth V Krishnamurthy, Zubair Shafiq, Yu Hao, Guoren Li, Zheng Zhang, and Xiaochen Zou
Annual Computer Security Applications Conference (ACSAC), 2021.Fingerprinting the Fingerprinters: Learning to Detect Browser Fingerprinting Behaviors
Umar Iqbal, Steven Englehardt, and Zubair Shafiq
IEEE Symposium on Security & Privacy (Oakland), 2021.AdGraph: A Graph-Based Approach to Ad and Tracker Blocking
Umar Iqbal, Peter Snyder, Shitong Zhu, Benjamin Livshits, Zhiyun Qian, and Zubair Shafiq
IEEE Symposium on Security & Privacy (Oakland), 2020.Best applied research paper (3rd), CSAW NYU Tandon
ShadowBlock: A Lightweight and Stealthy Adblocking Browser
Shitong Zhu, Umar Iqbal, Zhongjie Wang, Zhiyun Qian, Zubair Shafiq, and Weiteng Chen
The Web Conference (WWW), 2019.The Ad Wars: Retrospective Measurement and Analysis of Anti-Adblock Filter Lists
Umar Iqbal, Zubair Shafiq, and Zhiyun Qian
ACM Internet Measurement Conference (IMC), 2017.Malware Slums: Measurement and Analysis of Malware on Traffic Exchanges
Salman Yousaf, Umar Iqbal, Shehroze Farooqi, Raza Ahmad, Zubair Shafiq, and Fareed Zaffar
46th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2016.