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.
npx skills add vinayaklatthe/microsoft-security-skills --skill azure-bastion-jitgit clone --depth 1 https://github.com/vinayaklatthe/microsoft-security-skillsWrote 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.
[](https://agentmods.dev/skills/vinayaklatthe/microsoft-security-skills/azure-bastion-jit)<a href="https://agentmods.dev/skills/vinayaklatthe/microsoft-security-skills/azure-bastion-jit"><img src="https://agentmods.dev/badge/skills/vinayaklatthe/microsoft-security-skills/azure-bastion-jit/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.
<a href="https://agentmods.dev/skills/vinayaklatthe/microsoft-security-skills/azure-bastion-jit"><img src="https://agentmods.dev/badge/skills/vinayaklatthe/microsoft-security-skills/azure-bastion-jit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00232 | $0.02192 |
| Opus 5 | $0.00116 | $0.01096 |
| Sonnet 5 | $0.00046 | $0.00438 |
| Haiku 4.5 | $0.00023 | $0.00219 |
Grade A, and why
azure-bastion-jit 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Azure Bastion + Just-In-Time VM Access
The combination of Azure Bastion (managed, browser/native-client jump service) and Defender for Cloud just-in-time (JIT) VM access (time-limited NSG allow-rules for management ports) eliminates the two most common Azure VM compromise paths: internet-exposed RDP/SSH and standing-open management ports.
When to use
Designing or hardening administrative access to Azure IaaS VMs and VMSS. Use this skill for SKU selection, JIT policy, public-IP elimination, and the operational workflow.
Do not use this skill for hybrid VPN/SD-WAN design, ZTNA replacement of VPN
(entra-global-secure-access), or AKS-only access.
Bastion SKUs — pick by feature need
| SKU | Capabilities |
|---|---|
| Developer | Free, ad-hoc, browser-only RDP/SSH to a single VM, single VNet, no scale, no shareable links |
| Basic | RDP/SSH via portal, private-IP-only VMs supported, single-instance scale |
| Standard | + Native client, shareable links, IP-based connection, Kerberos, Linux file copy, custom port, scale up to 50 instances |
| Premium | + Session recording, private-only deployment, additional admin features |
Rule of thumb: Standard for most enterprise; Premium where session recording or private-only deployment is required (regulated industries). Developer is for non-production / sandbox personal use.
Approach
-
Architecture. One Bastion per hub VNet (or per spoke if traffic isolation requires). Required subnet:
AzureBastionSubnet/26 minimum. NSG on the subnet follows the documented allow rules — don't write "deny all from internet" without the documented allow exceptions or Bastion breaks. -
Eliminate VM public IPs. Azure Policy: Public IP addresses should not be associated with virtual machines — set to Deny in production scopes. New VMs are private-only; admin access is via Bastion + JIT.
-
Bastion + Entra login on the VM. Combine with
Microsoft Entra login for Windows/Linux VMextension so RDP/SSH authenticates with Entra credentials, honoring Conditional Access (MFA, device compliance, named locations) on the VM sign-in itself. This is the missing leg most "Bastion-only" deployments forget.
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.
- 12d ago First seen · 145 lines · 232 tokens per session scan A b59d268e00ee
azure-bastion-jit is a skill published in the GitHub repository vinayaklatthe/microsoft-security-skills (173 stars, last pushed 2mo ago), licensed MIT. It adds 232 tokens to every session and 2,192 once invoked, about $0.0012 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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