I am an associate professor in the School of Computing and Information Sciences
at FIU in Miami. I direct the CaSPR Lab,
where we build secure and private solutions for distributed systems. Current
interests include fraud and abuse detection in online systems, mobile
authentication and cryptocurrencies.
Tithonus: A Bitcoin Based Censorship Resilient System.
Ruben Recabarren, Bogdan Carbunar.
Accepted in the Proceedings of the Privacy Enhancing Technologies Symposium (PoPETS), Issue 1, Stockholm, July 2019.
Fraud De-Anonymization for Fun and Profit.
Nestor Hernandez, Mizanur Rahman, Ruben Recabarren, Bogdan Carbunar.
In Proceedings of the 25th ACM Conference on Computer and Communications Security (CCS), Toronto, October 2018.
[pdf][acceptance rate = 16.6\%]
AbuSniff: Automatic Detection and Defenses Against Abusive Facebook Friends.
Sajedul Talukder and Bogdan Carbunar.
In Proceedings of the 12th International AAAI Conference on Web and Social Media (ICWSM), Stanford, June 2018.
[pdf][full paper acceptance rate = 16%]
Mozhgan Azimpurkivi, Ph.D., Thesis title: ``Image Based Authentication''. Defended: March 2019. First employer: Bloomberg LP (AI Software Engineer)
Sajedul Talukder, Ph.D., Thesis title: ``Detection and Prevention of Abuse in Online Social Networks''. Defended: April 2019. First employer: Edinboro University
Md Mizanur Rahman, Ph.D. Thesis title: ``Search Rank Fraud Prevention in Online Systems''. Defended: November 2018. First employer: Amazon
Mahmudur Rahman, Ph.D. Defended: December 2015. First employer: IBM Watson
George Burri. M.S., First employer: Jive Software
Madhusudan Banik. M.S. First employer: Eden Rock Communications