Collins Munyendo

CS PhD Student at GW
Pronouns: He/Him

Email: cmunyendo[at]gwu.edu

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Publications

2024

Security, Privacy, and Data-sharing Trade-offs When Moving to the United States: Insights from a Qualitative Study
Mindy Tran*, Collins W. Munyendo*, Harshini Sri Ramulu*, Rachel Gonzalez Rodriguez, Luisa Ball Schnell, Cora Sula, Lucy Simko, and Yasemin Acar
IEEE S&P 2024
*: co-first authors


2023

"I just stopped using one and started using the other": Motivations, Techniques, and Challenges When Switching Password Managers
Collins W. Munyendo, Peter Mayer, and Adam J. Aviv
ACM CCS 2023

"Someone Definitely Used 0000": Strategies, Performance, and User Perception of Novice Smartphone-Unlock PIN-Guessers
Daniel V. Bailey, Collins W. Munyendo, Hunter A. Dyer, Miles Grant, Philipp Markert, and Adam J. Aviv
EuroUSEC 2023

"In Eighty Percent of the Cases, I Select the Password for Them": Security and Privacy Challenges, Advice, and Opportunities at Cybercafes in Kenya
Collins W. Munyendo, Yasemin Acar, and Adam J. Aviv
IEEE S&P 2023
Distinguished Paper Award

Security and Privacy Challenges and Concerns When Moving to the United States
Mindy Tran*, Harshini Sri Ramulu*, Collins W. Munyendo*, Rachel Gonzalez Rodriguez, Luisa Ball Schnell, Cora Sula, Joseph Ogren, Karim Alami, Lucy Simko, Anna Lena Rotthaler, and Yasemin Acar
CHI'23 Workshop on Migration, Security & Privacy
*: co-first authors


2022

User Perceptions of Five-Word Passwords
Xiaoyuan Wu, Collins W. Munyendo, Eddie Cosic, Genevieve A. Flynn, Olivia Legault, and Adam J. Aviv
ACSAC 2022

"The Same PIN, Just Longer": On the (In)Security of Upgrading PINs from 4 to 6 digits
Collins W. Munyendo, Philipp Markert, Alexandra Nisenoff, Miles Grant, Elena Korkes, Blase Ur, and Adam J. Aviv
USENIX Security 2022

Why Users (Don’t) Use Password Managers at a Large Educational Institution
Peter Mayer, Collins W. Munyendo, Michelle L. Mazurek, and Adam J. Aviv
USENIX Security 2022

"Desperate Times Call for Desperate Measures": User Concerns with Mobile Loan Apps in Kenya
Collins W. Munyendo, Yasemin Acar, and Adam J. Aviv
IEEE S&P 2022


2021

Strategies and Perceived Risks of Sending Sensitive Documents
Noel Warford, Collins W. Munyendo, Ashna Mediratta, Adam J. Aviv, and Michelle L. Mazurek
USENIX Security 2021

Using a Blocklist to Improve the Security of User Selection of Android Patterns
Collins W. Munyendo, Miles Grant, Philipp Markert, Timothy J. Forman, and Adam J. Aviv
SOUPS 2021