Private information retrieval (PIR) techniques constitute a critical class of protocols that enable a user to retrieve a data item from one or several databases without revealing the identity of the ...

As part of a three-year research project, Dr. Chao Tian, associate professor in the Department of Electrical and Computer Engineering at Texas A&M University, and graduate student Dr. Ruida Zhou are ...

The original version of this story appeared in Quanta Magazine. We all know to be careful about the details we share online, but the information we seek can also be revealing. Search for driving ...

We all know to be careful about the details we share online, but the information we seek can also be revealing. Search for driving directions, and our location becomes far easier to guess. Check for a ...

As we keep participating in more complex data processes, as people, we know that we have to maintain some sort of privacy… Alexandra Henzinger has some important ideas about how to do that. Her input ...

From private information retrieval to federated learning, new approaches to securing information are not only resulting in practical data security solutions but also ways of rethinking data ...

Alexandra Henzinger is a third-year Ph.D. student at MIT, affiliated with the PDOS and CSS research groups. Her research interests span computer systems, security, and cryptography, with a focus on ...