Guides implementing AES-256 encryption in GCM mode (FIPS 197) for files and data stores at rest, covering key derivation, IV/nonce management, and authenticated encryption. Use when deploying or configuring encryption for data at rest, establishing controls to meet compliance requirements, or reviewing an implementation during a security assessment.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-aes-encryption-for-data-at-restnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-aes-encryption-for-data-at-rest -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill implementing-aes-encryption-for-data-at-rest -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/implementing-aes-encryption-for-data-at-restgh skill install mukul975/Anthropic-Cybersecurity-Skills implementing-aes-encryption-for-data-at-restgit 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/implementing-aes-encryption-for-data-at-rest ~/.claude/skills/implementing-aes-encryption-for-data-at-rest # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/implementing-aes-encryption-for-data-at-rest ~/.agents/skills/implementing-aes-encryption-for-data-at-rest # Codex, Cursor, Gemini CLI, Copilot, OpenCode