aiqbench takeChips & Infra

This announcement represents a significant milestone for AI infrastructure security, as it details the first formally verified hypervisor deployed in a commercial cloud environment using mathematical proofs to guarantee VM isolation. By leveraging Isabelle/HOL to verify 330,000 lines of logic, AWS has established a new baseline for trust in the underlying hardware and software layers that support large-scale AI model training and inference workloads. This development directly addresses critical concerns regarding supply chain security and data integrity within the quantum-resistant and high-compute environments essential for modern AI systems.

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EC2’s formally verified “isolation engine” provides mathematical assurance of virtual-machine isolation

Amazon ScienceJune 10, 20266 min read

Splitting the “separation kernel” off from the rest of the Nitro security system and using only a subset of the Rust programming language to code it enabled its formal verification.

Today we announced the general availability of the new M9g and M9gd instances of Amazon Web Services' (AWS's) Elastic Compute Cloud (EC2), the first instance types powered by Graviton5, the latest generation of our general-purpose CPU. Graviton5 doubles the number of cores from the previous generation, from 96 to 192. They're also the first instance types to use the new Nitro Isolation Engine, a component of the Nitro Hypervisor whose sole job is isolating virtual machines (VMs) from each other. In this post, we explain how we used the Isabelle/HOL (higher-order logic) proof assistant — software that mechanically checks reasoning steps for adherence to the laws of logic — to prove that the Nitro Isolation Engine behaves…

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