Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps.

MITAuto-check: notesSecurity

Install Cloud Audit

skills CLI
$ npx skills add briiirussell/cybersecurity-skills --skill cloud-audit -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install briiirussell/cybersecurity-skills cloud-audit --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/briiirussell/cybersecurity-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/cloud-audit .claude/skills/cloud-audit && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
cloud-audit
GitHub stars
413
Token cost
~1.3k tokens
SKILL.md length
446 words
Files
1
Skills in repo
25
Repo updated
First seen
Licence
MIT

At a glance

Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps.

  • Works in 3 steps: Cloud provider(s) and account(s) → Regions in use → Whether CLI tools are available (aws,…
  • The user mentions cloud security
  • SKILL.md covers Scope the Audit, Audit Categories, Output Format and Boundaries, plus 1 more section
  • Calls aws, gcloud and az

What it does

Cloud Audit is an agent skill from briiirussell/cybersecurity-skills. Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps. Use when the user mentions 'cloud security,' 'cloud audit,' 'AWS security,' 'GCP security,' 'Azure security,' 'IAM audit,' 'S3 bucket,' 'cloud misconfiguration,' 'cloud hardening,' or needs to review cloud infrastructure security.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Security, covering Cloud security. It works with Google Cloud, Amazon Web Services, Microsoft Azure and Amazon S3. The repository describes itself as: Cybersecurity skills for AI coding agents (Claude Code, Cursor, Codex). The licence is MIT.

When your agent uses it

  • The user mentions cloud security
  • Cloud misconfiguration
  • Cloud hardening
  • Needs to review cloud infrastructure security

Example prompts

  • “cloud security,”
  • “cloud audit,”
  • “AWS security,”
  • “/cloud-audit”

Requirements

  • Pre-approved tools (allowed-tools): Bash, Read, Write, Grep, Glob, WebSearch

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Cloud provider(s) and account(s)
  2. Regions in use
  3. Whether CLI tools are available (aws, gcloud, az) or reviewing IaC files (Terraform, CloudFormation, Pulumi)

What it can do on your machine

Read from SKILL.md and the folder at commit c9ade03. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash
    • Read
    • Write
    • Grep
    • Glob
    • WebSearch

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • aws
    • gcloud
    • az

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use aws, gcloud and az, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Cloud Audit loads about 1.3k tokens when it runs. Until then it costs about 88 tokens; SKILL.md has 446 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~88
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Bash, Read, Write, Grep, Glob, WebSearch

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from briiirussell/cybersecurity-skills at commit c9ade03, republished under its MIT licence (© briiirussell). 446 words, ~1,277 tokens.

Download SKILL.mdSave it as .claude/skills/cloud-audit/SKILL.md (or your agent's skills folder).
name
cloud-audit
description
Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps. Use when the user mentions 'cloud security,' 'cloud audit,' 'AWS security,' 'GCP security,' 'Azure security,' 'IAM audit,' 'S3 bucket,' 'cloud misconfiguration,' 'cloud hardening,' or needs to review cloud infrastructure security.
allowed-tools
Bash, Read, Write, Grep, Glob, WebSearch

Cloud Audit — Cloud Infrastructure Security Review

Audit cloud infrastructure configurations for misconfigurations, excessive permissions, public exposure, and compliance gaps. Covers AWS, GCP, and Azure.

Cross-references: iam-audit for the consultant-style IAM deep-dive (design / audit / migrate across identity providers and federation patterns) — this skill includes an IAM section but stays at the cloud-posture level; for role design, JIT access, workload identity federation, and migration plans, invoke iam-audit. container-audit for Kubernetes-specific posture sitting on top of cloud. secrets-audit for secrets-manager hygiene and rotation.

Findings should use the three-disposition rule (Fixed / Deferred / Accepted Risk) per owasp-audit's Report Format.

Scope the Audit

Identify:

  1. Cloud provider(s) and account(s)
  2. Regions in use
  3. Whether CLI tools are available (aws, gcloud, az) or reviewing IaC files (Terraform, CloudFormation, Pulumi)

Audit Categories

Identity and Access Management

AWS:

bash
aws iam get-account-summary
aws iam list-users
aws iam generate-credential-report && aws iam get-credential-report --output text --query Content | base64 -d

Check for: root account usage without MFA, access keys older than 90 days, unused credentials, wildcard permissions ("Action": "*"), overprivileged roles.

GCP:

bash
gcloud projects get-iam-policy $PROJECT_ID
gcloud iam service-accounts list

Check for: primitive roles (Owner/Editor) on too many principals, unused service accounts, service account keys instead of workload identity.

Azure:

bash
az role assignment list --all
az ad user list

Check for: excessive Owner/Contributor assignments, guest users with high privileges.

IaC review: Grep Terraform/CloudFormation files for "Action": "*", "Resource": "*", hardcoded secrets, overly broad trust policies.

Network Security

Check for:

  • Security groups or firewall rules allowing 0.0.0.0/0 ingress
  • Unrestricted SSH (port 22) or RDP (port 3389) from the internet
  • VPC flow logs disabled
  • Databases in public subnets
  • Missing network segmentation between tiers
Storage

AWS S3:

bash
aws s3api list-buckets
aws s3api get-public-access-block --bucket <name>
aws s3api get-bucket-policy --bucket <name>
aws s3api get-bucket-encryption --bucket <name>

Check for: public buckets, missing encryption, no versioning, no lifecycle policies, overly permissive bucket policies.

GCP/Azure: Equivalent checks for Cloud Storage and Blob Storage — look for allUsers/allAuthenticatedUsers access or anonymous blob access.

Show full SKILL.md (180 more words)Show less
Compute
  • IMDSv2 enforced? (AWS: HttpTokens = required)
  • Unencrypted EBS volumes or disks
  • Public IP addresses on instances that don't need them
  • Outdated AMIs or images (check patch age)
  • Privileged containers, missing security contexts in Kubernetes
Logging and Monitoring
  • CloudTrail / Cloud Audit Logs / Activity Log enabled in all regions
  • Log storage: encrypted, immutable, adequate retention
  • GuardDuty / Security Command Center / Defender for Cloud enabled
  • Alerting configured for: root login, IAM changes, security group changes, large data transfers
  • VPC Flow Logs and DNS query logs enabled
Secrets Management
  • Hardcoded secrets in source code, environment variables, or IaC files
  • Secrets Manager / Key Vault usage for sensitive values
  • KMS key rotation configured

Output Format

markdown
# Cloud Security Audit Report
## Account(s): [account ID(s)]
## Provider: [AWS/GCP/Azure]
## Regions: [audited regions]
## Date: [date]

### Summary
- Total findings: X
- Critical: X | High: X | Medium: X | Low: X

### Findings

#### [SEVERITY] [Category]: [Title]
**Resource:** [resource ARN/ID]
**Region:** [region]

**Issue:** [What the misconfiguration is]

**Risk:** [What an attacker could do]

**Evidence:** [CLI output or IaC snippet]

**Remediation:** [Specific fix command or IaC change]

---

### Prioritized Action Plan
1. [Critical — immediate]
2. [High — this week]
3. [Medium — this month]
4. [Low — next quarter]

Boundaries

  • Only audit accounts or projects the user has access to
  • Do not attempt to access other accounts or tenants
  • Provide remediation for every finding
  • Note if a fix might impact availability (e.g., tightening a security group could break connectivity)
  • Flag any evidence of active compromise found during the audit
  • Refuse requests to exploit found misconfigurations on others' infrastructure

References

  • CIS Benchmarks for AWS/GCP/Azure
  • AWS Well-Architected Security Pillar
  • ScoutSuite (multi-cloud auditing tool)

© briiirussell, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/cloud-audit of briiirussell/cybersecurity-skills.

Open the folder on GitHubat commit c9ade03

Compare with similar skills

Cloud Audit next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Cloud Audit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Cloud Audit this skillbriiirussell/cybersecurity-skills413—~1.3kAutomated safety check: NotesMIT
Auditing Cloud With Cis Benchmarksmukul975/Anthropic-Cybersecurity-Skills34k—~3kAutomated safety check: PassApache-2.0
Implementing Cloud Security Posture Managementmukul975/Anthropic-Cybersecurity-Skills34k—~3kAutomated safety check: PassApache-2.0
Configuring Firewallsancoleman/ai-design-components525—~3.5kAutomated safety check: NotesMIT
Hardening Cloud Posturetrilwu/secskills157—~1.9kAutomated safety check: PassMIT
Cloud Misconfig Auditorcriptogus/agent-evolve-network288—~965Automated safety check: PassCC-BY-SA-4.0

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Questions about Cloud Audit

What does Cloud Audit do?

Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps. Cloud Audit is an agent skill from briiirussell/cybersecurity-skills. Audit cloud infrastructure (AWS, GCP, Azure) for misconfigurations, excessive permissions, and security gaps.

When should I use Cloud Audit?

Cloud Audit fits situations like: the user mentions cloud security; cloud misconfiguration; cloud hardening; needs to review cloud infrastructure security.

How do I install Cloud Audit in Claude Code?

Run `npx skills add briiirussell/cybersecurity-skills --skill cloud-audit -a claude-code`. Or copy the skill folder (skills/cloud-audit in briiirussell/cybersecurity-skills) into .claude/skills/cloud-audit in your project. Claude Code loads it when a task matches its description.

How do I install Cloud Audit in Codex?

Run `npx skills add briiirussell/cybersecurity-skills --skill cloud-audit -a codex`. Or copy the skill folder (skills/cloud-audit in briiirussell/cybersecurity-skills) into .agents/skills/cloud-audit in your project. Codex loads it when a task matches its description.

Can I use Cloud Audit in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add briiirussell/cybersecurity-skills --skill cloud-audit -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cloud-audit, .gemini/skills/cloud-audit, .github/skills/cloud-audit and .opencode/skills/cloud-audit in your project.

What does Cloud Audit need to run?

Going by SKILL.md and its folder, Cloud Audit needs the command-line tools its instructions call (aws, gcloud and az). Its frontmatter pre-approves these tools: Bash, Read, Write, Grep, Glob, WebSearch.

Does Cloud Audit access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Cloud Audit safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Cloud Audit use?

Cloud Audit is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Cloud Audit use?

About 1.3k tokens (SKILL.md is roughly 5.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Cloud Audit?

Skills that share tags, products or a category with Cloud Audit: Auditing Cloud With Cis Benchmarks (mukul975/Anthropic-Cybersecurity-Skills, 34k stars), Implementing Cloud Security Posture Management (mukul975/Anthropic-Cybersecurity-Skills, 34k stars), Configuring Firewalls (ancoleman/ai-design-components, 525 stars) and Hardening Cloud Posture (trilwu/secskills, 157 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Cloud Audit?

briiirussell (a GitHub user) maintains it in briiirussell/cybersecurity-skills, which has 413 GitHub stars. The repository holds 25 skills in this directory. The repository was last updated on May 27, 2026.

Source: briiirussell/cybersecurity-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.