Publications

Inconsistent, Incomplete, and Insecure: A Survey of Account Security Interfaces

Arkaprabha Bhattacharya, Alaa Daffalla, Kevin Lee, Rosanna Bellini, Nicola Dell, and Thomas Ristenpart. 35th USENIX Security Symposium (USENIX Security 26). 2026. Link

Evaluating Ongoing Access Attacks on the Web

Arkaprabha Bhattacharya, Rosanna Bellini, Nicola Dell, and Thomas Ristenpart. In Submission, 2026

Selling the dream: How intimate insiders and identity-based attackers disrupt micro-businesses.

Nazanin Sabri, Arkaprabha Bhattacharya, Sterling Williams-Ceci, D Bailey, and Rosanna Bellini. 35th USENIX Security Symposium (USENIX Security 26). 2026. Link

Agent meltdowns: The road to hell is paved with helpful agents.

Rishi Jha, Harold Triedman, Arkaprabha Bhattacharya and Vitaly Shmatikov. In Submission, 2026.

“AI Watermarking”: Bridging policy discourse and technical capabilities.

Andrés Fábrega, Bhattacharya, Arkaprabha, Miranda Christ, and Sunoo Park. arXiv preprint arXiv:2606.28331. 2026. Link

A Framework for Abusability Analysis: The Case of Passkeys in Interpersonal Threat Models

Alaa Daffalla, Arkaprabha Bhattacharya, Jacob Wilder, Rahul Chatterjee, Nicola Dell, Rosanna Bellini, Thomas Ristenpart. 34th USENIX Security Symposium (USENIX Security 25). 2025.
Link

Learned, lagged, llm-splained: Llm Responses to End User Security Questions.

Vijay Prakash, Kevin Lee, Arkaprabha Bhattacharya, Danny Yuxing Huang, and Jessica Staddon. 2025 Annual Computer Security Applications Conference (ACSAC 2025). 2025. Link

Shortchanged: Uncovering and Analyzing Intimate Partner Financial Abuse in Consumer Complaints

Arkaprabha Bhattacharya, Kevin Lee, Vineeth Ravi, Jessica Staddon, and Rosanna Bellini. ACM CHI Conference on Human Factors in Computing Systems. 2024.
Link

When the User Is Inside the User Interface: An Empirical Study of UI Security Properties in Augmented Reality

Kaiming Cheng, Arkaprabha Bhattacharya, Michelle Lin, Jaewook Lee, Aroosh Kumar, Jeffery F. Tian, Tadayoshi Kohno, Franziska Roesner. 33rd USENIX Security Symposium. 2024.
Link

Cybersecurity Across the DNA-Digital Boundary: DNA Samples to Genomic Data

Peter Ney, Arkaprabha Bhattacharya, David Ward, Luis Ceze, Tadayoshi Kohno, Jeff Nivala. Springer. 2023. Link

Doctoring Direct-to-Consumer Genetic Tests with DNA Spike-Ins

Peter Ney, Arkaprabha Bhattacharya, David Ward, Luis Ceze, Tadayoshi Kohno, Jeff Nivala. biorXiv. 2022. Link