Open access
Oct 2026
Beyond the Output: Inference Attacks on Private Set Union and Multi-Key Private Matching
This work expands the understanding of attacks in this setting by investigating a broader class of functionalities, namely: Private Set Union, PSU-Cardinality, and Meta’s multi-key private matching (MKPM) functionality, and investigates possible mitigations for deploying such systems.
Andrea Raguso, Francesca Falzon, Tianxin Tang et al.
· Proceedings on Privacy Enhan... · 0 citations