publications

2026
Understanding Gendered Experiences of Harassment Among Pakistani Young Adults Using Human-Centered Threat Modeling
Warda Usman, Taha, Saba Iqbal, Amna Batool, and Daniel Zappala
ACM CHI 2026
Human-Centered Threat Modeling in Practice: Lessons, Challenges, and Paths Forward
Warda Usman, Yixin Zou, Daniel Zappala
IEEE S&P 2026
"Don't Let Them Get To You": Understanding the Role of TikTok as a Source of Support for Cyberbullying Victims
Saba Iqbal, Warda Usman, Daniel Zappala
SOUPS 2026
2025
SoK: A Framework and Guide for Human-Centered Threat Modeling in Security and Privacy Research
Warda Usman, Daniel Zappala
IEEE S&P 2025
Understanding the Security and Privacy Experiences of First- and Second-Generation Pakistani Immigrants to the US
Warda Usman, John Sadık, Taha, Ran Elgedawy, Scott Ruoti, Daniel Zappala
IEEE S&P 2025
2023
Distrust of big tech and a desire for privacy: Understanding the motivations of people who have voluntarily adopted secure email
Warda Usman, Jackie Hu, McKynlee Wilson, and Daniel Zappala
SOUPS 2023