3 papers
cs.CR2026
Let My Data Go: Data Brokers' Compliance with Opt-Out and Deletion Requests
Elina van Kempen, Gene Tsudik, Pragya Jhunjhunwala +1
Data brokers are a largely American phenomenon. They collect vast amounts of personal information about most adult U.S. consumers, mainly without the latter's knowledge or consent.…
cs.CR2025
Consumer Beware! Exploring Data Brokers' CCPA Compliance
Elina van Kempen, Isita Bagayatkar, Pavel Frolikov +2
Data brokers collect and sell the personal information of millions of individuals, often without their knowledge or consent. The California Consumer Privacy Act (CCPA) grants consu…
cs.CR2023
Puppy: A Publicly Verifiable Watermarking Protocol
Devriş İşler, Seoyeon Hwang, Yoshimichi Nakatsuka +2
In this paper, we propose Puppy, the first formally defined framework for converting any symmetric watermarking into a publicly verifiable one. Puppy allows anyone to verify a wate…