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english/.opencode/skills/web-testing/references/security-checklists.md
renolation 10d660cbcb init
2026-04-12 01:06:31 +07:00

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Security Checklists

Authentication Security

  • Strong auth mechanism (OAuth 2.0, JWT, OIDC)
  • No basic auth or custom schemes
  • Password policy enforced (12+ chars, complexity)
  • MFA/2FA for sensitive operations
  • Account lockout after failed attempts (5-10)
  • Secure password reset (token expiration)
  • Default credentials removed/disabled
  • API keys not in code/version control
  • Session tokens cryptographically generated
  • Logout invalidates session/token

API Security

  • HTTPS/TLS enforced for all endpoints
  • API versioning strategy in place
  • Rate limiting implemented
  • Auth required (API key or OAuth token)
  • Input validation on all parameters
  • Output encoding/sanitization
  • CORS headers properly configured
  • Pagination limits prevent enumeration
  • Proper HTTP status codes (401 vs 403)
  • Error messages don't expose internals

Session Management

  • Session IDs cryptographically random
  • Cookies: HttpOnly, Secure, SameSite flags
  • Session timeout (idle + absolute)
  • Session invalidation on logout
  • Session fixation protection (regenerate on login)
  • CSRF tokens for state-changing ops
  • Session data server-side (not in cookies)

Input Validation

  • Whitelist validation (allow only expected)
  • Type validation (string, number, date)
  • Length validation (min/max)
  • Format validation (regex for email, URL)
  • SQL parameters use prepared statements
  • NoSQL queries use safe APIs
  • Command execution avoided/validated
  • XML external entities disabled (XXE)
  • JSON parsing safe (no eval)
  • ReDoS-safe regex patterns

Security Headers

Content-Security-Policy: default-src 'self'; script-src 'self'
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: camera=(), microphone=(), geolocation=()
  • CSP configured (restrict resource loading)
  • X-Content-Type-Options: nosniff
  • X-Frame-Options (DENY or SAMEORIGIN)
  • HSTS enabled with appropriate max-age
  • Referrer-Policy configured
  • Permissions-Policy set
  • Server/X-Powered-By headers removed
  • CORS: No wildcard on credentialed endpoints

Verify Headers

# Check security headers
curl -I https://example.com

# Use securityheaders.com
# Use observatory.mozilla.org