Systematically audit AWS S3 bucket permissions to identify publicly accessible buckets, overly permissive ACLs, misconfigured bucket policies, and missing encryption settings using AWS CLI, S3audit, and Prowler to enforce least-privilege data access controls.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill auditing-aws-s3-bucket-permissionsnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill auditing-aws-s3-bucket-permissions -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill auditing-aws-s3-bucket-permissions -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/auditing-aws-s3-bucket-permissionsgh skill install mukul975/Anthropic-Cybersecurity-Skills auditing-aws-s3-bucket-permissionsgit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/auditing-aws-s3-bucket-permissions ~/.claude/skills/auditing-aws-s3-bucket-permissions # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/auditing-aws-s3-bucket-permissions ~/.agents/skills/auditing-aws-s3-bucket-permissions # Codex, Cursor, Gemini CLI, Copilot, OpenCode