azure-confidential-computing

azure-confidential-computing is a skill for Claude Code, Codex from vinayaklatthe/microsoft-security-skills. It costs 221 tokens per session (2,197 once invoked), scanned A, original, MIT.

Azure guidance for confidential computing, which protects data while software is actively using it through hardware-isolated protected areas called trusted execution environments.

In plain words
What is it for?
Use it to plan confidential virtual machines, confidential containers on AKS, confidential GPU workloads, hardware-backed key storage, and cryptographic verification.
Why use it?
It helps keep sensitive data, models, and computations protected even from the underlying cloud host, while allowing others to verify the protected environment.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to plan confidential virtual machines, confidential containers on AKS, confidential GPU workloads, hardware-backed key storage, and cryptographic verification.

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Install with agentmods
npx agentmods add skills/vinayaklatthe/microsoft-security-skills/azure-confidential-computing
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add vinayaklatthe/microsoft-security-skills --skill azure-confidential-computing
Clone the repo
git clone --depth 1 https://github.com/vinayaklatthe/microsoft-security-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for azure-confidential-computing

README.md
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Your own site
<a href="https://agentmods.dev/skills/vinayaklatthe/microsoft-security-skills/azure-confidential-computing"><img src="https://agentmods.dev/badge/skills/vinayaklatthe/microsoft-security-skills/azure-confidential-computing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for azure-confidential-computing

Your own site · 80×15
<a href="https://agentmods.dev/skills/vinayaklatthe/microsoft-security-skills/azure-confidential-computing"><img src="https://agentmods.dev/badge/skills/vinayaklatthe/microsoft-security-skills/azure-confidential-computing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 221 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,197 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00221 $0.02197
Opus 5 $0.00111 $0.01099
Sonnet 5 $0.00044 $0.00439
Haiku 4.5 $0.00022 $0.00220

Measured 11d ago against content hash 3bd284761de9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

azure-confidential-computing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/azure-confidential-computing/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Azure Confidential Computing

Confidential computing is the third pillar of data protection — data in use — complementing encryption at rest and in transit. Azure Confidential Computing uses hardware-based Trusted Execution Environments (TEEs) so workloads run on encrypted memory the host (and Microsoft) cannot inspect, with cryptographic attestation to prove the TEE state to a remote relying party before secrets are released.

When to use

  • Multi-party data collaboration where parties must compute on each other's data without seeing it (clean rooms, fraud consortia, joint analytics).
  • Regulated workloads requiring isolation from cloud operator access (defense, certain financial / healthcare scenarios).
  • Sensitive AI training/inference where model weights or training data are crown jewels.
  • Cryptographic operations that must be hardware-rooted with attestation evidence.

Do not use this skill for ordinary data-at-rest CMK (azure-key-vault), generic app encryption, or non-Azure TEE / Intel SGX-only designs.

Form factors

Form factor Hardware Best for
Confidential VMs (DCasv5/ECasv5) AMD SEV-SNP Lift-and-shift Linux/Windows workloads with whole-VM TEE
Confidential VMs (DCesv5/ECesv5) Intel TDX Trust-domain isolation for VMs
Confidential containers on AKS Kata Containers + AMD SEV-SNP Container workloads, per-pod TEE
Confidential GPU VMs (NCC H100 v5) NVIDIA H100 + Intel TDX Confidential AI training/inference
App-enclave (Intel SGX, DCsv2/3) Intel SGX Targeted enclaves; legacy pattern, less common in new builds
Azure Confidential Ledger Hardware-backed append-only ledger Tamper-evident audit logs

Approach

  1. Validate the threat model. Confidential computing protects against:
    • Cloud operator (host admin) memory inspection.
    • Co-tenant side-channel reads (within hardware mitigation limits).
    • Snapshot/disk-image exfiltration combined with memory dump. It does not protect against application bugs, supply-chain compromise of your own code, or insider access at the customer.

Read the full file on GitHub · 153 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 153 lines · 221 tokens per session scan A 3bd284761de9

Subscribe to this mod's changes

azure-confidential-computing is a skill published in the GitHub repository vinayaklatthe/microsoft-security-skills (173 stars, last pushed 2mo ago), licensed MIT. It adds 221 tokens to every session and 2,197 once invoked, about $0.0011 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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