Introduction

I’m a researcher with Microsoft Research, where I work on designing secure and trustworthy systems. My broader research interests span all aspects of systems and networking research.

My research is driven by practical impact. Throughout the years, my colleagues and I:

  • designed, implemented, verified, and tested a state-of-the-art Rowhammer mitigation in a DDR5 memory controller for first-party Microsoft silicon (details to come after official announcement);
  • designed Panopticon, a Rowhammer defense adopted by the DRAM industry;
  • designed, deployed, and operated Microsoft Embedded Social, a cloud service aimed at user engagement in mobile apps, which had 20 million users;
  • created the reference implementation of a firmware-based Trusted Platform Module (fTPM) used in hundreds of millions of smartphones and tablets;
  • designed and operated Zero-Effort Payments (ZEP), one of the first face recognition-based payment systems in the world.

Prior to joining Microsoft, I served as a faculty member in the Computer Science Department at the University of Toronto. I earned my Ph.D. from the Computer Science & Engineering department at the University of Washington, and I am an ACM Fellow.

Microsoft Research has featured me in a podcast on Rowhammer and published a blog post detailing my background and research. I also maintain a page with brief articles on various topics related to Rowhammer.

News

Aug '25
The good folks at MSR helped me record my talk on "Six Years of Rowhammer". This talk is very close to my heart. Over the past six years, my colleagues and I have had front-row seats to the efforts, both in industry and academia, to address Rowhammer. This talk offers a unique perspective on that journey.
July '25
I am now part of a new group formed at Microsoft Research called "Software-HARdware Co-design (SHARC)".

Recent Publications

Towards Multi-Stakeholder Clouds
Bohdan Borysei, Stefan Saroiu, Eyal de Lara
HotMobile 2024
Siloz: Leveraging DRAM Isolation Domains to Prevent Inter-VM Rowhammer
Kevin Loughlin, Jonah Rosenblum, Stefan Saroiu, Alec Wolman, Dimitrios Skarlatos, Baris Kasikci
SOSP 2023
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