YUNOVA · Windows Administration & Server

Module 12: Security and hybrid

Notes for offline study · 3 November 2026

Windows Server hardening security baseline

Key points

  • A security baseline is a recommended set of security settings.
  • Microsoft publishes baselines that can be applied with Group Policy.
  • Turn off unused services and apply updates regularly.

Active Directory Certificate Services basics

Key points

  • AD CS lets an organisation run its own certificate authority.
  • Certificates are used for encryption, signing and authentication.
  • Certificate templates control who can request which certificates.

Windows Admin Center

Key points

  • Windows Admin Center is a browser-based tool for managing servers.
  • It brings tasks like updates, storage and Hyper-V into one console.
  • It is installed on a gateway machine and connects to the servers.

Azure AD Connect hybrid identity

Key points

  • Azure AD Connect syncs on-premises Active Directory users to Microsoft Entra ID.
  • Sign-in options include password hash sync, pass-through authentication and federation.
  • Hybrid identity gives users one identity for local and cloud resources.