CATCUS/P Colloquium is a regional event for the Capital Area (and broader friends) to gather and discuss recent results in Usable Security and Privacy, broadly construed. The Colloquium consists of both research talks and networking events, and is hosted twice a year.

The next CACTUS will be held on May 2, 2025 at George Washington University.

Registration

Registration is open!

Schedule

Long talks are 10 minutes with 5 minutes of questions, and short talks are 3 minutes with 2 minutes of questions.

  • 9:00am: Arrival Coffee, tea, light pastry and fruit

  • 9:15am-9:30am: Welcome and Intros

  • 9:30am-10:15am: Research Talks:
    • Arwa Alsahdi – The George Washington University
      • “Understanding Why Developers Change Apps Privacy Labels”
    • Weiran Lin – Carnegie Mellon University
      • “LLM Whisperer: An Inconspicuous Attack to Bias LLM Responses”
    • Yunze Zhao – University of Maryland
      • “A Qualitative Analysis of Fuzzer Usability and Challenges”
  • 10:15am-10:30am: WiP/Short Talks
    • Christopher Landis – U.S. Naval Academy
      • “From System Design to Unexpected Use”
    • Neal Keating – The George Washington University
      • “Measuring APK Mirror Sites”
    • Jan Tolsdorf – The George Washington University
      • “Do Users’ Real World Cookie Consent Choices Align With Their Privacy Preferences?”

  • 10:30am-11:00am: Break

  • 11:15am-11:30am: Research Talk:
    • Collins Munyendo – The George Washington University
      • “You Have to Ignore the Dangers”: User Perceptions of the Security and Privacy Benefits of WhatsApp Mods”
  • 11:30am-11:45am: WiP/Short Talks
    • Ben Weinshel – Carnegie Mellon University
      • ““I would still use it but I wouldn’t trust it”: Evaluating Mechanisms for Transparency and Control for Smart-Home Sensors”
    • Wellington Barbosa – The George Washington University
      • “Understanding the motivations and security practices of non-official Android app stores’ users”
    • Alan Luo – University of Maryland
      • “Characterizing how Users Audit Fairness and Bias in AI Chatbots”

  • 11:45am-1:30pm: Lunch

  • 1:30pm – 2:00pm: Research Talks
    • Wisdom Obinna – Georgetown University
      • “Perceptions of AI-generated Art, Authorship, Copyright, and Artistic Value”
    • Adryana Hutchinson – The George Washington University
      • “Re-Examining the Examiners: Exam Proctoring 4 Years Later”
  • 2:00pm-2:30: WiP/Short Talks
    • Miuyin Yong – University of Maryland
      • “Perceptions, barriers, and Integration of LLMs Across the Cybersecurity Workforce”
    • Jenny Tang – Carnegie Mellon University
      • “End-of-Life Credential Sharing: Investigating Digital Account Estate Planning Practices”
    • Junho Eum – The George Washington University
      • “Understanding US Public Perception of Online Age Assurance”
    • Wisdom Obinna – Georgetown University
      • “User experiences with LLM Refusals”
    • Monica Kodwani – The George Washington University
      • “Perceptions of Data Safety Labels Early Results”
    • Azwa Bajwah – University of Maryland
      • “Perceptions of Tracking and Inference in VR”

  • 2:30pm – 3:00pm: Break

  • 3:00pm - 3:15pm: BOF Discussion and Voting

  • 3:15pm-3:45pm BOF 1

  • 3:45pm-4:15pm BOF 2

  • 4:15pm-4:30pm: Closing Remarks

Location, directions, and other information

All events will take place at the George Washington University (GW) in Science and Engineering Hall (SEH), 800 22nd St NW, Washington, DC 20052. Directions by metro and driving are provided here.

When you arrive at SEH, head down the stairs/elevator one level to B1. We will be in SEH B1270, Lehman Auditorium. Note that SEH is tap acess only, but you can follow people in …

If you are seeking hotel accommodations, GW partners with a number of local hotels for a (small) discount.

Sponsors

We wish to thank the GWUSEC Lab at the George Washington University for the support to make this event happen.