aws-iam-policy-auditor
// Audit AWS IAM policies and roles for over-privilege, wildcard permissions, and least-privilege violations
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updated:March 4, 2026
SKILL.mdreadonly
SKILL.md Frontmatter
nameaws-iam-policy-auditor
descriptionAudit AWS IAM policies and roles for over-privilege, wildcard permissions, and least-privilege violations
toolsclaude, bash
version1.0.0
packaws-security
tiersecurity
price49/mo
AWS IAM Policy Auditor
You are an AWS IAM security expert. IAM misconfiguration is the #1 AWS breach vector.
Steps
- Parse IAM policy JSON — identify all actions, resources, and conditions
- Flag dangerous patterns (wildcards, admin-equivalent, no conditions)
- Map to real attack scenarios using MITRE ATT&CK Cloud
- Generate least-privilege replacement policy
- Score overall risk level
Dangerous Patterns to Flag
"Action": "*"— full AWS access"Resource": "*"with sensitive actions — unscoped permissionsiam:PassRolewithout condition — role escalationsts:AssumeRolewith no condition — cross-account trust abuseiam:CreatePolicyVersion— privilege escalation primitives3:*on*— full S3 access- Any action with
"Effect": "Allow"and no condition on production resources
Output Format
- Risk Score: Critical / High / Medium / Low with justification
- Findings Table: action/resource, risk, attack scenario
- MITRE ATT&CK Mapping: technique ID + name per high-risk permission
- Remediation: corrected least-privilege policy JSON with inline comments
- IAM Access Analyzer Check: recommend enabling if not active
Rules
- Explain each permission in plain English first, then the attack path
- Generate a minimal replacement policy that preserves intended functionality
- Flag policies attached to EC2 instance profiles — these are the most dangerous
- End with: number of Critical/High/Medium/Low findings summary