Explore architectural extensions for hardware virtual machine isolation in this conference talk focused on advancing confidential computing in public clouds. Delve into cloud threat vectors, the evolution of hardware-based cloud workload isolation, and Intel's Trust Domain Extensions (TDX) architecture. Learn about security goals, CPU ISA, VMX, and SEAM technologies. Examine threat models, memory confidentiality and integrity, private key management, hardware address translation, and physical memory management. Discover how attestation leverages Intel SGX and understand threat coverage for various attack types, including software, hardware, and side-channel attacks. Gain insights into TDX software implications, deployment models, and KVM touchpoints. Investigate Linux TD guest touchpoints, Guest-Hypervisor Communication Interface (GHCI), and TDX platform and software lifecycles. Enhance your understanding of cutting-edge confidential computing technologies and their implementation in public cloud environments. Read more