Encoded but Exposed: Language Embeddings can Reveal More Than They Should in Recommender Systems
A cosine-similarity attack recovers recommender item identities from language embeddings and can aid user re-identification.
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Stories tagged #re-identification
Quantifying the Privacy Posture of Operator-Side 5G/O-RAN Profiles
Study finds 5G/O-RAN pseudonymisation alone does not cut re-identification; generalisation and suppression improve privacy at a utility cost.
WildMatch: Weakly Supervised Image Matcher Adaptation for Wildlife Re-Identification
WildMatch adapts pretrained image matchers for wildlife re-identification using only identity labels.
Italy’s Data Protection Authority fines IQVIA €7 million over data protection breach
Italy’s privacy authority fined IQVIA €7 million for processing re-identifiable health data on one million patients.
Can Prompt Anonymity Protect Your Identity From LLM Providers?
Prompt embeddings re-identify 50-75% of SWE-Chat users behind anonymizing LLM proxies.
MIRAGE: Full-Body Bystander Privacy for Smart Glasses with Consent-Based Restoration
MIRAGE masks full-body biometrics on smart glasses and restores footage only with consent.
Conformal Privacy Auditing: Calibrated Re-identification Attacks with Statistical Guarantees
Conformal Privacy Auditing certifies per-document re-identification risk against LLM attackers with statistical coverage guarantees.
Tracking the Unseen: An Occlusion-Robust Framework for Target Tracking Under Full and Long-Term Occlusion
Occlusion-robust tracker combining YOLOv11n, Kalman filtering, and appearance Re-ID cuts identity switches and beats OccluTrack by 18.1% MOTA on OVIS.