# Security

> Security

- Skill: `thebeardedbearsas/security` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add thebeardedbearsas/security`
- Raw SKILL.md: https://api.skillmd.com/api/skills/thebeardedbearsas/security/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: TheBeardedBearSAS (https://skillmd.com/u/thebeardedbearsas)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/thebeardedbearsas/security

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# Security

This skill provides universal security guidelines and OWASP Top 10 best practices applicable to any technology stack.

See @REFERENCE.md for detailed documentation.

## Quick Reference

- **Validation**: Always server-side, never trust client input
- **Queries**: Parameterized only (no SQL concatenation)
- **Passwords**: Hash with bcrypt/Argon2 (never MD5/SHA1)
- **Secrets**: Environment variables or vault (never in code)
- **Headers**: CSP, X-Frame-Options, HSTS, nosniff