Arx: An Encrypted Database using Semantically Secure Encryption
Rishabh Poddar and Tobias Boelter and Raluca Ada Popa
45th International Conference on Very Large Data Bases (2019)

A Secure One-Roundtrip Index for Range Queries
Tobias Boelter and Rishabh Poddar and Raluca Ada Popa
Cryptology ePrint Archive, Report 2016/568

WhatsApp vulnerability explained: by the man who discovered it
The Guardian, 2017