common-security-standards
Enforce universal security protocols for safe, resilient software. Use when implementing authentication, encryption, authorization, input validation, secret management, or any security-sensitive feature across any language or framework.
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Static analysis is a first line of defense, not a guarantee. Read the source
SKILL.md
Security Standards
Priority: P0 (CRITICAL)
Always-Apply Rules
Apply these on every code write, regardless of context:
- No hardcoded secrets: Use environment variables or secret managers. Never commit keys, passwords, or tokens to source control.
- No raw SQL strings: Use parameterized queries or ORMs —
WHERE id = ${userId}always wrong. - No stacktraces in prod: Return generic error codes; log full detail server-side only.
Workflow
Activate when: implementing auth, encryption, authorization, input handling, or any security-sensitive feature.
- Identify trust boundaries — map every data entry point (API, UI, CSV, webhook).
- Validate and sanitize all external input at each boundary.
- Apply least privilege to users, services, and containers.
- Verify with SAST/DAST scanners in CI before merge.
Context-Specific Rules
Data Safeguarding
- Zero Trust: Never trust external input. Sanitize and validate every data boundary.
- Least Privilege: Grant minimum necessary permissions to users, services, and containers.
- Encryption: AES-256 for data-at-rest; TLS 1.3 for data-in-transit.
- PII Logging: Never log PII (email, phone, names). Mask sensitive fields before logging.
See implementation examples for parameterized queries and secret management.
Secure Coding
- Injection Prevention: Use parameterized queries or ORMs to stop SQL, Command, and XSS injections.
- Dependency Management: Regularly scan (
npm audit,pip audit) and update third-party libraries to patch CVEs. - Secure Auth: Implement Multi-Factor Authentication (MFA) and secure session management.
- Error Privacy: Never leak stack traces or internal implementation details to end-user.
Continuous Security
- Shift Left: Integrate security scanners (SAST/DAST) early in CI/CD pipeline.
- Data Minimization: Collect and store only minimum data required for business logic.
- Audit Logging: Maintain logs for sensitive operations (Auth, Deletion, Admin changes).
Anti-Patterns
- No default passwords: Force rotation on first use with strong entropy requirements.
References
Remediation anchors
- Remediation anchors: Argon2id, parameterized queries or ORM, rate limiting, HttpOnly Secure cookies
Files
5- SKILL.md
d304e7df803.0 KB - evals/evals.json
06b7706fee2.5 KB - references/INJECTION_TESTING.md
ed747eaf841.3 KB - references/VULNERABILITY_REMEDIATION.md
bff42e6561856 B - references/implementation.md
9302fc48dc464 B
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