Hot Chips Microsoft is one of the biggest names in cybersecurity, but it has a less-than-stellar track record in the department. Given its reputation, Redmond can't afford to mess around when it comes to securing its cloud customers' data and workloads.

At the annual Hot Chips conference on Monday, Bryan Kelly, a partner security architect at Microsoft, detailed the layer cake of silicon security underpinning Azure's compute offerings.

A key aspect of Microsoft's hardware security is isolation. Encryption keys are stored in an integrated hardware security module (HSM), while VMs are isolated from one another using trusted execution environments (TEE) baked into modern CPUs and GPUs. The control, data, networking, and storage planes are all offloaded to smartNICs and an open source Root o

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