Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Security / cloud-security

Encrypt Sensitive Data

Category: Security  ·  Sub-category: cloud-security  ·  Last updated:
Encrypts sensitive data at rest, in transit, and per-field using AEAD-only ciphers (AES-256-GCM or ChaCha20-Poly1305 — never ECB, never unauthenticated CBC, never raw RSA) — envelope encryption where a KMS-held KEK wraps a per-record/per-tenant DEK, per-column field encryption for PII with deterministic-vs-randomized chosen per query need, strict unique-nonce/IV discipline (random 96-bit or counter, NEVER reused under one key), AAD binding ciphertext to its context (tenant/row id), versioned keys + rotation that re-wraps DEKs without re-encrypting data, TLS 1.2+/1.3 with mTLS and modern cipher suites, and — critically — passwords are HASHED with argon2id/bcrypt, NOT encrypted. Distinct from secrets-management (stores the app secrets/keys this skill consumes) and map-privacy-data-gdpr (the legal PII/erasure obligations encryption helps satisfy).
Security AStatic scan found no risk patternsHow grading works ›

What this skill does

Encrypt Sensitive Data is a community-contributed Claude Code skill in the cloud-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/encrypt-sensitive-data/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Encrypt Sensitive Data Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/encrypt-sensitive-data
curl -L https://claudskills.com/skills/encrypt-sensitive-data/SKILL.md \
  -o ~/.claude/skills/encrypt-sensitive-data/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/encrypt-sensitive-data/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/encrypt-sensitive-data/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\encrypt-sensitive-data\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Encrypt Sensitive Data Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/encrypt-sensitive-data/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Encrypt Sensitive Data skill do?
Encrypts sensitive data at rest, in transit, and per-field using AEAD-only ciphers (AES-256-GCM or ChaCha20-Poly1305 — never ECB, never unauthenticated CBC, never raw RSA) — envelope encryption where a KMS-held KEK wraps a per-record/per-tenant DEK, per-column field encryption for PII with deterministic-vs-randomized chosen per query need, strict unique-nonce/IV discipline (random 96-bit or counter, NEVER reused under one key), AAD binding ciphertext to its context (tenant/row id), versioned keys + rotation that re-wraps DEKs without re-encrypting data, TLS 1.2+/1.3 with mTLS and modern cipher suites, and — critically — passwords are HASHED with argon2id/bcrypt, NOT encrypted. Distinct from secrets-management (stores the app secrets/keys this skill consumes) and map-privacy-data-gdpr (the legal PII/erasure obligations encryption helps satisfy).
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Encrypt Sensitive Data skill?
Use Encrypt Sensitive Data when your Claude Code task falls under the Security category — specifically in the cloud security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Encrypt Sensitive Data" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Encrypt Sensitive Data skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Encrypt Sensitive Data is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
Sir-chawakorn. (2026). Encrypt Sensitive Data [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/encrypt-sensitive-data/
BibTeX
@misc{encrypt-sensitive-data-2026,
  author    = {Sir-chawakorn},
  title     = {Encrypt Sensitive Data [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/encrypt-sensitive-data/}
}

Embed this skill

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Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills
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