University of Louisiana
Deparment of Computer Science
Oliver Hall, Office 353
301 E. Lewis Street
Lafayette, LA 70503
E: fname[.]lname@louisiana.edu

NEWS

Sep 14, 2026:
Organized the RAISE Workshop, co-located with ESORICS 2026 in Rome, Italy.

Sep 08, 2026:
Paper accepted at ACSAC 2026. Congratulations to Janine Schneider, Jan-Julius Kallenborn, and all co-authors!

Jul 17, 2026:
Two papers accepted at ACM CCS 2026. Congratulations to first authors Soheil Khodayari and Muhammad Danish, and all co-authors!

Dec 16, 2025:
Attended the SaTC Aspiring PI Workshop 2025 at George Washington University in Washington, DC.

Aug 01, 2025:
Joined the School of Computing and Informatics at UL Lafayette as an Assistant Professor.

Jun 13, 2025:
Attended the Max Planck Institute for Informatics retreat in Bad Breisig, Germany.

May 16, 2025:
Accepted an offer to join the University of Louisiana at Lafayette as an Assistant Professor.

Dec 06, 2024:
Online Guest Speaker, Presented Talk on "Challenges and Methodologies: Empirical Study of Scams and Attacks on Social Media Platforms" at MIT (CAMS)

Sep 26, 2024:
In-person Guest Speaker, Presented Talk on "Empirical Study of Scams and Attacks on Social Media Platforms through AI-Powered Automated Engagement" at e-Crime

Aug 15, 2024:
Presented a paper "Brand Impersonation Attack" at USENIX Security

May 19, 2024:
Presented a paper "Conning the crypto conman" at IEEE S&P

Apr 30, 2024:
Invited to online research talk at Texas A&M

Apr 10, 2024:
Invited Victor Le Pochat from KU Leuven to research talk at CISPA

Feb 24, 2024:
Invited to online research talk at University of New Mexico

Feb 08, 2024:
C-Frame paper accepted to IEEE S&P

Nov 26, 2023:
Attending ACM CCS'23 , Copenhagen, Denmark

Nov 07, 2023:
Invited to research talk at Tulane University

Aug 11, 2023:
Attending USENIX Security'23 , Anaheim, CA

See archived news


Publications


  1. Achievement Unlocked: Let's Get Hacked! An Empirical Study of Cybercrime in the Video Gaming Ecosystem
    Janine Schneider, Jan Kallenborn, Tim Hoffmann, Maximilian Eichhorn, Thorsten Holz, Bhupendra Acharya
    Proceedings of IEEE Annual Computer Security Applications Conference (ACSAC)
    California, USA, 2026.
    Acceptance Rate: TBD (80 papers accepted)
    PDF

  2. Indirect Prompt Injection in the Wild: An Empirical Study of Prevalence, Techniques, and Objectives
    Soheil Khodayari, Xuenan Zhang, Bhupendra Acharya, Giancarlo Pellegrino
    Proceedings of ACM Conference on Computer and Communications Security (ACM CCS )
    Hague, Netherland, 2026.
    Acceptance Rate: 191/981 = (19.46%)
    PDF

  3. Private Links, Public Leaks: Consequences of Frictionless User Experience on the Security and Privacy Posture of SMS-Delivered URL
    Muhammad Danish, Enrique Sobrados, Priya Kaushik, Bhupendra Acharya, Muhammad Saad, Abdullah Mueen, Sazzadur Rahaman, Afsah Anwar
    Proceedings of ACM Conference on Computer and Communications Security (ACM CCS )
    Hague, Netherland, 2026.
    Acceptance Rate: 191/981 = (19.46%)
    PDF

  4. From Harm to Healing: Understanding Individual Resilience after Cybercrimes
    Xiaowei Chen, Mindy Tran, Bhupendra Acharya, Yixin Zou
    Proceedings of ACM Conference on Human Factors in Computing Systems (ACM CHI)
    Barcelona, Spain, 2026.
    Acceptance Rate: 1,703/5,753 (29.60%)
    PDF

  5. Exploration of the Dynamics of Buy and Sale of Social Media Accounts
    Mario Beluri, Bhupendra Acharya, Soheil Khodayari, Giada Stivala, Giancarlo Pellegrino, Thorsten Holz
    Proceedings of The 25th ACM Internet Measurement Conference (ACM IMC)
    Wisconsin, USA, 2025.
    Acceptance Rate: 72/305 (23.60%)
    PDF

  6. Pirates of Charity: Exploring Donation-based Abuses in Social Media Platforms
    Bhupendra Acharya, Dario Lazzaro, Antonio Emanuele Cinà, Thorsten Holz
    Proceedings of ACM World Wide Web Conference (ACM WWW), 2025
    Sydney, Australia, 2025.
    Acceptance Rate: 409/2062 (19.83%)
    PDF

  7. Understanding Regional Filter Lists: Efficacy and Impact
    Christian Böttger, Nurullah Demir, Jan Hörnemann, Bhupendra Acharya, Norbert Pohlmann,
    Thorsten Holz, Matteo Grosse-Kampmann, Tobias Urban
    Proceedings of The 25th Privacy Enhancing Technologies Symposium (PETS)
    Washington, DC, USA, 2025.
    Acceptance Rate: 44/146 (30.13%)
    PDF

  8. The Imitation Game: Exploring Brand Impersonation Attacks on Social Media Platforms
    Bhupendra Acharya, Dario Lazzaro, Efren Lopez Morales, Adam Oest, Muhammad Saad,
    Antonio Emanuele Cinà, Lea Schönherr, Thorsten Holz
    Proceedings of The 33rd USENIX Security Symposium (USENIX Security)
    Philadelphia, PA, USA, 2024.
    Acceptance Rate: 382/2176 (17.6%)
    PDF

  9. C-FRAME: Characterizing and Measuring in-the-wild CAPTCHA Attacks
    Hoang Dai Nguyen, Karthika Subramani, Bhupendra Acharya, Roberto Perdisci, Phani Vadrevu
    Proceedings of The 45th IEEE Symposium on Security and Privacy (IEEE S&P)
    San Francisco, CA, May 2024.
    Acceptance Rate: 70/601 (11.64%)
    PDF

  10. Conning the Crypto Conman: End-to-End Analysis of Cryptocurrency-based Technical Support Scams
    Bhupendra Acharya, Muhammad Saad, Antonio Emanuele Cinà, Lea Schönherr, Hoang Dai Nguyen, Adam Oest, Phani Vadrevu, Thorsten Holz
    Proceedings of The 45th IEEE Symposium on Security and Privacy (IEEE S&P)
    San Francisco, CA, May 2024.
    Acceptance Rate: 100/582 (17.18%)
    PDF

  11. A Human in Every APE: Delineating and Evaluating the Human Analysis Systems of Anti-Phishing Entities
    Bhupendra Acharya, Phani Vadrevu
    Proceedings of The 19th Conference on Detection of Intrusions and Malware & Vulnerability Assessment (DIMVA)
    Cagliari, Italy, Jun 29-Jul 1, 2022
    Acceptance Rate: 11/39 (28.2%)
    PDF

  12. PhishPrint:Evading Phishing Detection Crawlers by Prior Profiling
    Bhupendra Acharya, Phani Vadrevu
    Proceedings of The 30th USENIX Security Symposium (USENIX Security)
    Vancouver, BC, Canada, Aug 11-13, 2021
    Acceptance Rate: 246/1316 (18.7%)
    PDF


  13. Preprints


  14. ScamChatBot: Analysis of Fake Account Recovery on Social Media via Chatbots
    Bhupendra Acharya, Dominik Sautter, Ady Elouej, Muhammad Saad, Thorsten Holz
    arXiv:2412.15072, 2025.
    PDF

  15. An Explorative Study of Pig Butchering Scams
    Bhupendra Acharya, Thorsten Holz
    arXiv:2412.15423, 2025.
    PDF