---
id: 4306
title: "The IGVM File Format"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/the-igvm-file-format.html"
published_at: "2026-05-06 22:00"
tags: ["cloud", "confidential-computing", "virtualization", "tdx", "file-format", "igvm", "sev-snp"]
phying_url: "https://phying.com/item/4306"
lang: en
---

# The IGVM File Format

## Summary

Quarkslab walks through the IGVM file format, which bundles a VM's BIOS/OVMF, kernel and initrd for secure launch across isolation stacks like AMD SEV-SNP and Intel TDX.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2026-05-06 22:00
- **Original:** https://blog.quarkslab.com/the-igvm-file-format.html
- **Phying News:** https://phying.com/item/4306