My research interests include systems security and privacy. I have worked on anomaly detection and finding ways to limit service abuse. Currently, I am focused on understanding the ecosystem of online advertisement in order to make it transparent to the end users.
Education
College of Computer & Information Science, Northeastern University (September 2014 - Present)
Ph.D Student
School of Science and Engineering, LUMS, Lahore, Pakistan (October 2008 - June 2012)
BS, Computer Science
Publications
"Recommended For You": A First Look at Content Recommendation Networks
Muhammad Ahmad Bashir, Sajjad Arshad and Christo Wilson
In Proceedings of ACM Internet Measurement Conference (IMC'16), Santa Monica, CA, USA, November 2016.
(To Appear) [BibTeX]
Tracing Information Flows Between Ad Exchanges Using Retargeted Ads
Muhammad Ahmad Bashir, Sajjad Arshad, William Robertson, and Christo Wilson
In Proceedings of the 25th USENIX Security Symposium (USENIX Security'16), Austin, TX, USA, August 2016.
[PDF] [BibTeX]
Strength in Numbers: Robust Tamper Detection in Crowd Computations
Bimal Viswanath, Muhammad Ahmad Bashir, Muhammad Bilal Zafar, Simon Bouget, Saikat Guha, Krishna P. Gummadi, Aniket Kate, and Alan Mislove
In Proceedings of the 3rd ACM Conference on Online Social Networks (COSN'15), Palo Alto, CA, USA, November 2015.
[PDF] [BibTeX] (Best Paper Award)
Preserving Privacy in Collaborative Business Process Composition
Hassaan Irshad, Basit Shafiq, Jaideep Vaidya, Muhammad Ahmad Bashir, Shafay Shamail, and Nabil Adam
In Proceedings of the 12th International Conference on Security and Cryptography (SECRYPT '15), Colmar, France, July 2015.
[PDF] [BibTeX] (Best Paper Award)
Towards Detecting Anomalous User Behavior in Online Social Networks
Bimal Viswanath, Muhammad Ahmad Bashir, Mark Crovella, Saikat Guha, Krishna Gummadi, Balachander Krishnamurthy, and Alan Mislove
In Proceedings of the 23rd USENIX Security Symposium (USENIX Security'14), San Diego, CA, USA, August 2014.
[PDF] [BibTeX]
Work Experience
Facebook
Security Intern
Summer 2016
Max Planck Institute for Software Systems, Germany
Research Intern
Advisor : Dr. Krishna Gummadi
School of Science and Engineering, LUMS, Pakistan
Research Assistant
Advisor : Dr. Basit Shafiq