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Privacy Engineering
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Birds of a Feather Leak Together: The Set Bias Privacy Problem

Secure multi-party computation (SMPC) enables organisations to collaborate on sensitive data analysis without directly sharing raw information. However, seemingly harmless aggregate outputs, particularly private set intersection (PSI), can leak individual-level information when analysed strategically over time. This post is based on research presented by Guo...

Privacy Engineering
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Top-down vs. Bottom up Privacy

Tech companies and large consumer businesses are grappling with how best to protect end-user data while maintaining pace of innovation and competitive edge. Two distinct approaches have emerged: top-down and bottom-up privacy. Understanding these approaches is essential for anyone involved in privacy engineering, product development,...