GULYÁS, Gábor György, Ph.D.

Scientific papers

My academic publications are also available on my Google Scholar profile.

I also have a ResearchGate page, and an MTMT publication page (related to BME), but these are not frequently updated.

Unless noted otherwise, related code can be found here.




  • NEW G. Gy. Gulyás: Using machine learning techniques for de- anonymization. Információs Társadalom XVII. évf. (2017). 1. szám 72-86. [in Hungarian] Paper


  • G. Gy. Gulyás, B. Simon, S. Imre: An Efficient and Robust Social Network De-anonymization Attack. In Proc. of the Workshop on Privacy in the Electronic Society (WPES'16), held in conjunction with the ACM CCS'16.
    Paper Slides Demo Code
  • G. Gy. Gulyás, G. Ács, C. Castelluccia: Near-Optimal Fingerprinting with Constraints. Proceedings on Privacy Enhancing Technologies. Volume 2016, Issue 4, July 2016
    Paper Slides Video Code


  • G. Gy. Gulyás, S. Imre: Using Identity Separation Against De-anonymization of Social Networks. Transactions on Data Privacy 8:2 (2015), pp. 113 - 140
  • G. Gy. Gulyás: Protecting Privacy Against Structural De-anonymization Attacks in Social Networks. Ph.D. dissertation, 2015.
    PhD thesis
    Dissertation and other stuff available here.


  • B. Simon, G. Gy. Gulyás, S. Imre: Analysis of Grasshopper, a Novel Social Network De-anonymization Algorithm. Journal of Periodica Polytechnica Electrical Engineering and Computer Science, Volume 58, Number 4, 2014.
  • G. Gy. Gulyás, S. Imre: Measuring Importance of Seeding for Structural De-anonymization Attacks in Social Networks. In Proc. of 6th IEEE International Workshop on SEcurity and SOCial Networking (SESOC) held with PerCom. 28 March. 2014.
    Paper Slides


  • G. Gy. Gulyás, S. Imre: Hiding Information in Social Networks from De-anonymization Attacks by Using Identity Separation. In: Proc. of the 14th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security (CMS 2013). 25-26 September, 2013.
    Paper Slides
  • K. Boda, Á. M. Földes, G. Gy. Gulyás, S. Imre: Tracking and Fingerprinting in E-Business: New Storageless Technologies and Countermeasures. In: Katalin Tarnay, Lai Xu, Sandor Imre (eds.), Research and Development in E-Business through Service-Oriented Solutions. Hershey: IGI Global, Information Science Reference, June, 2013.


  • G. Gy. Gulyás, S. Imre: Measuring Local Topological Anonymity in Social Networks. PinSoDa: Workshop on Privacy in Social Data, IEEE International Conference on Data Mining 2012, Brussels, Belgium, 10 December, 2012.
    An updated version of this paper is available here. Fig. 3. is updated: the correlation is correctly only calculated for coexistent nodes).
    Paper Slides
  • K. Boda, Á. M. Földes, G. Gy. Gulyás, S. Imre: User Tracking on the Web via Cross-Browser Fingerprinting. NordSec 2011, Tallinn, Estonia, 26-28 October 2011.
  • G. Gy. Gulyás, R. Schulcz, S. Imre: Separating Private and Business Identities. Digital Identity and Access Management: Technologies and Frameworks (Ed.: Dr. Raj Sharman, Dr. Sanjukta Das Smith and Manish Gupta), IGI Global, December of 2011. (DOI: 10.4018/978-1-61350-498-7)


  • G. Gy. Gulyás, S. Imre: Analysis of Identity Separation Against a Passive Clique-Based De-anonymization Attack. Infocommunications Journal, Volume III, Number 4, December 2011. (ISSN 2061-2079)
  • T. Besenyei, Á. M. Földes, G. Gy. Gulyás, S. Imre: StegoWeb: Towards the Ideal Private Web Content Publishing Tool. SECURWARE 2011, St-Laurent-du-Var, Franche, 21-27 August 2011. (ISBN: 978-1-61208-010-9)


  • T. Paulik, Á. M. Földes, G. Gy. Gulyás: BlogCrypt: Private Content Publishing on the Web. SECURWARE 2010, Venice, Italy, 18-25 July 2010. (ISBN: 978-1-4244-7517-9)


  • G. Gy. Gulyás, R. Schulcz, S. Imre: Modeling Role-Based Privacy in Social Networking Services. SECURWARE 2009, Athen, Greece, 18-23 June 2009. (ISBN: 978-0-7695-3668-2)
  • G. Gy. Gulyás: Design of an Anonymous Instant Messaging Service. PET Convention 2009.1, Dresden, Germany, 24-25 March 2009. (ISSN: 1430-211X)


  • G. Gy. Gulyás, R. Schulcz, S. Imre: Comprehensive Analysis of Web Privacy and Anonymous Web Browsers: Are Next Generation Services Based on Collaborative Filtering? In: Proceedings of the Joint SPACE (Sustaining Privacy in Autonomous Collaborative Environments) and TIME (Trust in Mobile Enviroments) Workshops, pages 17-31, Trondheim, Norway, 17 June 2008. (ISSN: 1613-0073, Vol-362)


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Gábor György Gulyás, PhD – © 2017 all rights reserved