Boris Köpf
Principal Researcher
News & features
Preventing side-channels in the cloud
| Stavros Volos and Boris Köpf
Sophisticated side-channel attacks present new security challenges for cloud providers. Learn how Microsoft is exploring defenses against emerging attacks with principled microarchitectural isolation:
Research Focus: Week of April 29, 2024
In this edition: Can LLMs transform natural language into formal method postconditions; Semantically aligned question + code generation for automated insight generation; Explaining CLIP performance disparities on blind/low vision data; plus recent news.
Hunting speculative information leaks with Revizor
| Boris Köpf and Oleksii Oleksenko
Spectre and Meltdown are two security vulnerabilities that affect the vast majority of CPUs in use today. CPUs, or central processing units, act as the brains of a computer, directing the functions of its other components. By targeting a feature…
Privacy Preserving Machine Learning: Maintaining confidentiality and preserving trust
| Victor Ruehle, Robert Sim, Sergey Yekhanin, Nishanth Chandran, Melissa Chase, Daniel Jones, Kim Laine, Boris Köpf, Jaime Teevan, Jim Kleewein, and Saravan Rajmohan
Machine learning (ML) offers tremendous opportunities to increase productivity. However, ML systems are only as good as the quality of the data that informs the training of ML models. And training ML models requires a significant amount of data, more…