Bogdan Carbunar

Associate Professor
School of Computing and Information Sciences
Florida International University
Office: ECS 310
Email: carbunar at cs dot fiu dot edu.



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.

Some Recent Publications

  • [ACM Ubicomp and ACM IMWUT] Camera Based Two Factor Authentication Through Mobile and Wireless Devices.
    Mozhgan Azimpourkivi, Umut Topkara, Bogdan Carbunar.
    In Proceedings of the ACM Joint Conference on Pervasive and Ubiquitous Computing (Ubicomp) and
    In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 1, Issue 3, September 2017. [pdf] [project page]
    Some of the media coverage: [Slashdot] [The Register] [CyberScoop] [BleepingComputer] [The Verge] [ZDNet] [SDTimes] [PCMag] [SecurityIntelligence]

  • [PoPETS] Hardening Stratum, the Bitcoin Pool Mining Protocol
    Ruben Recabarren, Bogdan Carbunar.
    Proceedings of the Privacy Enhancing Technologies Symposium (PoPETS), Issue 3, Minneapolis, July 2017. [pdf]

  • [ACSAC] A Secure Mobile Authentication Alternative to Biometrics
    Mozhgan Azimpourkivi, Umut Topkara, Bogdan Carbunar.
    Accepted in the ACM Annual Computer Security Applications Conference (ACSAC), Orlando, December 2017. [pdf] [project page]

    Complete list.

    Selected Projects

    Pixie logo Camera Based 2FA Authentication
    Fraudulent Yelp Star Search Rank Fraud Detection
    Movee Liveness Verifications for Mobile Data


    Current students
        Mozhgan Azimpurkivi (co-advised with Umut Topkara)
        Md Mizanur Rahman
        Nestor G. Hernandez
    Sajedul Talukder
        Rubén Recabarren

    Former students
        Mahmudur Rahman, Ph.D., December 2015, First employer: IBM Watson
        George Burri. M.S., First employer: Jive Software
        Madhusudan Banik. M.S. First employer: Eden Rock Communications
        Yuanzhen Gu. M.S. Now Ph.D. student at Rutgers University


    List of current and past courses.


    I am or have been involved with the following venues (as TPC member, unless specified differently): ACM AsiaCCS 2018, IEEE ICNC 2018, CANS 2017, IEEE LCN 2017, ACM AsiaCCS 2017, IEEE ICNC 2017, IoTPTS 2017, IEEE LCN 2016, HotPOST 2016, IoTPTS 2016, WESS 2015, IEEE CloudCom 2015, NSS 2015, IEEE LCN 2015, ISC 2014, WESS 2014, ICCVE 2014, IEEE LCN 2014 (Publicity Chair), INSCRYPT 2013, CANS 2013, ICICS 2013, IEEE ICDCS 2013, IEEE CCNC 2013, WESS 2013, Inscrypt 2012, IEEE ICPADS 2012, IEEE SICK, ISOC NDSS 2012, CCSocialComp 2011, ACM STC 2011, IEEE ICME 2011, ACM CCSW 2010, ACM STC 2010, ACM SAC 2010, FC 2010, CoSec 2009, ACM STC 2009, ACM CCSW 2009, IEEE NPSec 2009, IEEE NPSec 2008, FC 2008 (Poster Chair), MODUS 2008, IEEE NPSec 2007, Inscrypt 2007