Security Best Practices¶
Comprehensive security recommendations for deploying and integrating AuthVital.
Overview¶
Security is a multi-layered concern. This guide covers authentication, authorization, infrastructure, and operational security best practices.
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:material-shield-key:{ .lg .middle } Authentication
Token storage, PKCE, token lifetimes, server-side validation.
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:material-key-chain:{ .lg .middle } OAuth Security
Redirect URI validation, state parameter, subdomain takeover prevention.
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:material-server-security:{ .lg .middle } Infrastructure
HTTPS, cookies, CORS, security headers, database & secrets.
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:material-account-lock:{ .lg .middle } Access Control
Least privilege, tenant isolation, MFA requirements, CSRF protection.
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:material-monitor-eye:{ .lg .middle } Monitoring
Security event logging, rate limiting, alerting.
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:material-format-list-checks:{ .lg .middle } Checklist
Pre-production and ongoing security checklists.
Quick Reference¶
Token Storage Guide¶
| Storage | Use For | ⚠️ Risk |
|---|---|---|
| Memory | Access tokens | Lost on page refresh |
| HttpOnly Cookie | Refresh tokens | Requires HTTPS |
| sessionStorage | PKCE verifier | Cleared on tab close |
| ❌ localStorage | Nothing sensitive! | XSS vulnerable |
Security Headers Checklist¶
| Header | Purpose |
|---|---|
| HSTS | Forces HTTPS |
| CSP | Blocks XSS/injection |
| X-Frame-Options | Prevents clickjacking |
| X-Content-Type-Options | Stops MIME sniffing |
| Referrer-Policy | Controls referrer info |
Redirect URI Rules¶
| Pattern | Status |
|---|---|
https://app.example.com/callback | ✅ Safe (exact match) |
http://localhost:3000/callback | ✅ Safe (dev only) |
https://*.example.com/callback | ❌ Dangerous (subdomain takeover) |
https://app.example.com/* | ❌ Dangerous (path traversal) |