What is Zero Trust?

Zero Trust is a security framework that assumes no entity — inside or outside the network — should be trusted by default. Every access request must be authenticated, authorized, and continuously validated.

Applying Zero Trust to Your Homelab

1. Identity-Aware Access

Use a single sign-on (SSO) provider like Authentik or Authelia to manage authentication for all your self-hosted services. This gives you:

  • Centralized user management
  • Multi-factor authentication (MFA)
  • Audit logging for every access

2. Network Segmentation

Don’t put everything on one flat network. Use VLANs or Docker networks to isolate services:

  • Public-facing tier: Reverse proxy, static sites
  • Application tier: Databases, API servers
  • Management tier: Admin panels, monitoring

3. Least Privilege Access

Every service should run with the minimum permissions needed. In Docker, avoid --privileged mode. On Linux, use dedicated system users for each service.

4. Continuous Monitoring

Set up Grafana + Loki for log aggregation and alerting. Watch for:

  • Failed login attempts
  • Unusual outbound traffic
  • Certificate expiration

Conclusion

Zero Trust isn’t just for enterprises. In a homelab, it’s a practical way to learn modern security practices while keeping your data safe.