Raluca Ada Popa

Confidential Computing or Cryptographic Computing?

2024 · Communications of the ACM

Trade-offs between secure computation via cryptography and hardware enclaves.

Membrane: A Cryptographic Access Control System for Data Lakes

2025 · arXiv (Cornell University)

Organizations use data lakes to store and analyze sensitive data. But hackers may compromise data lake storage to bypass access controls and access sensitive data. To address this, we propose Membrane, a system that (1) …