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Securing Azure Solutions

Updated Nov 22, 2020 ·
NOTES

This is not an exhaustive documentation of all the existing Azure Services. These are summarized notes for the Azure Certifications.

To see the complete documentation, please go to: Azure documentation

Azure Active Directory

Main features:

  • Single Sign-on (SSO)
  • Application Managemenet
  • Identity Protection
  • Monitoring
  • Multi-Factor Authentication
  • B2B and B2C
  • Hybrid Identities
  • Seamless Integration with Azure Services and Third-party Services

To learn more, check out Azure Identity and Access Management (IAM)

Azure AD vs. Azure AD DS vs. ADDS

  • Azure AD (Azure Active Directory)

    • Cloud-based identity and access management service.
      • Manages user identities and authentication for cloud applications.
      • Supports single sign-on (SSO) and multi-factor authentication (MFA).
      • Focuses on modern authentication and authorization for cloud resources.
      • Enable collaboration with B2B and B2C
  • Azure AD DS (Azure Active Directory Domain Services)

    • Fully-managed domain service
    • Enables domain-joined resources in Azure
    • Supports LDAP, Kerberos, and NTLM authentication
    • Useful for lift-and-shift scenarios
    • Integrates with existing Azure AD tenant for user sign-in and control
    • Scalability and Disaster recovery with multiple replica sets in different Azure regions
  • ADDS (Active Directory Domain Services)

    • On-premises Windows Server-based directory service.
    • Provides authentication and authorization services
    • Requires on-premises domain controllers.
    • Integrates with Azure AD for hybrid identity scenarios.

Roles in Azure AD

Azure AD Specific Roles

This roles grants specialize permissions exclusively for managing resources within Azure AD.

  • Application Administrator
  • User Administrator
  • Groups Administrator

Service-Specific Roles

Roles specific to major Microsoft 365 services which are non-Azure AD.

  • Exchange Administrator
  • Intune Administrator
  • Sharepoint Administrator
  • Teams Administrator

Cross-Service Roles

These are roles that are not confined to a particular service but strethc their influence across multiple solutions.

  • Global Roles

    • Grants access across all Microsoft 365 services
    • Global Administrator
    • Global Reader
  • Security-related Roles

    • Grants access across multiple security services
    • Security Administrator
    • Security Reader
  • Compliance Administrator Role

    • For managing compliance-related settings

Built-in Roles

1. Global Administrator

  • Highest level of access.
  • Full control over all aspects of Azure AD.
  • Can delegate roles to other users.

2. Security Administrator

  • Focused on security-related aspects of Azure AD
  • Manages security settings, security policies, and security events
  • Responsible for ensuring security of Azure AD resources

3. Billing Administrator

  • Manages billing and subscription-related tasks in Azure AD
  • Handles cost, budgets, and resource optimization

4. Global Reader

  • Read-only access to Azure AD resources
  • Can view configurations, setting, and reports, but cannot make changes
  • Useful for auditors or stakeholders

ADDS - Pros and Cons

Pros:

  • Simplified domain service without managing domain controllers
  • Supports LDAP, Kerberos, and NTLM authentication
  • Integrates with existing Azure AD tenant for user sign-in and control
  • Enables domain-joined resources in Azure
  • Scalability and Disaster recovery with multiple replica sets in different Azure regions

Cons:

  • Limited administrative access
  • Restricted customization
  • Shipped with pre-defined configurations
  • Limited application compatibility
  • No domain trust support
  • No LDAP write access
  • Limited operating system support
  • Limited network integration
  • Availability may vary based on regions
  • Cost considerations

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