About me

I am a PhD student in Computer Sciences at University of Massachusetts Amherst, advised by Prof. Amir Houmansadr and co-advised by Prof. Pubali Datta.

I am interested in the intersection of computer networking, cloud systems, and security and privacy, with a particular focus on autonomous AI agents. This is related to the following areas: 1) Analyzing security risks that emerges as cloud systems scale, and how AI agents can be fingerprinted and attributed through network-layer signals. 2) Designing privacy-preserving AI agents that leverage cloud and network infrastructure.

Prior to starting my PhD studies, I received my bachelor’s degree from Ewha Womans University in South Korea, advised by Prof. HyungJune Lee.

News

  • February 2026: My first first-author paper “CensorLess: Cost-Efficient Censorship Circumvention Through Serverless Cloud Functions” is accepted at PETS’26
  • June 2025: Our paper “I’ll Shake Your Hand: What Happens After DNS Poisoning” is accepted at FOCI’25
  • December 2024: Our paper “CollageMap: Tailoring Generative Fingerprint Map via Obstacle-Aware Adaptation for Site-Survey-Free Indoor Localization” is accepted at IEEE PerCom’25
  • December 2024: Our paper “CAMPUSRSSI: Real-World Wi-Fi RSSI Measurements for Indoor Localization” is accepted at IEEE PerCom Workshops’25
  • October 2024: Our paper “GAN-Loc: Empowering Indoor Localization for Unknown Areas via Generative Fingerprint Map” is accepted at IEEE SECON’24

Publications

preprint

Whose Agent Are You? Multi-Layer Fingerprinting and Attribution of Autonomous Web Agents

Dayeon Kang, J.Jeong, J. Sheffey, P. Datta, and A. Houmansadr

PETS 2026

CensorLess: Cost-Efficient Censorship Circumvention Through Serverless Cloud Functions

Dayeon Kang, J. Sheffey, M. Wu, P. Datta, and A. Houmansadr

FOCI 2025

I'll Shake Your Hand: What Happens After DNS Poisoning

J. Sheffey, A. Johaib, Dayeon Kang, Z. Durumeric, A. Houmansadr, and Q. Wu

IEEE PerCom Workshops 2025

CAMPUSRSSI: Real-World Wi-Fi RSSI Measurements for Indoor Localization

J. Yoon, Y. You, Dayeon Kang, J. Kim, and H. Lee

IEEE PerCom 2025

CollageMap: Tailoring Generative Fingerprint Map via Obstacle-Aware Adaptation for Site-Survey-Free Indoor Localization

Y. You, J. Yoon, Dayeon Kang, J. Kim, and H. Lee

IEEE SECON 2024

GAN-Loc: Empowering Indoor Localization for Unknown Areas via Generative Fingerprint Map

J. Yoon, Y. You, Dayeon Kang, J. Kim, and H. Lee

Korea Computer Congress 2022

Grape Grade Discrimination System using Step-by-step Deep Learning Model and Drone Path Planning Algorithm

Dayeon Kang, J. Kim, D. Kim, H. Kim, and K. Chae


Academic Services

Talks

  • Guest Talk: Women in Cybersecurity (WiCyS) at UMass, Mar. 2025 Journey to Security Researcher
  • Guest Lecture: UMass COMPSCI 560 Introduction to Computer and Network Security, Dec. 2024 Break the anonymity of Tor network: What is traffic analysis?

Mentorship

  • Undergraduate Research Volunteers (URV) at UMass Amherst Summer 2024, Winter 2025
  • Samsung Junior SW Creation Contest at Samsung SDS Jul. 2022 – Aug. 2022

Reviews

  • PETS 2027 Tadpole Reviewer
  • External Reviewer of USENIX Security 2026