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First steps in CHERIoT Security Research

Tuesday, February 28, 2023

At Microsoft, we invest a lot of time researching and investigating possibilities in our journey to memory safety. Because the massive majority of existing codebases are written in unsafe programming languages, the task of protecting legacy code is very important. Hardware solutions are an attractive approach because they introduce very powerful security properties with low overheads compared to purely software solutions.

What’s the smallest variety of CHERI?

Tuesday, September 06, 2022

The Portmeirion project is a collaboration between Microsoft Research Cambridge, Microsoft Security Response Center, and Azure Silicon Engineering & Solutions. Over the past year, we have been exploring how to scale the key ideas from CHERI down to tiny cores on the scale of the cheapest microcontrollers. These cores are very different from the desktop and server-class processors that have been the focus of the Morello project.

An Armful of CHERIs

Thursday, January 20, 2022

Today, Arm announced that the first silicon supporting the Morello prototype architecture, a research project led by Arm, Microsoft, University of Cambridge and others, is now available on a limited run of demonstration boards, which are being shipped from today to industry partners for testing. Morello is the first high-performance implementation of the CHERI extensions.