Zero Trust Identity Perimeter
Establishing identity as the primary control plane with layered Conditional Access and least privilege.
Difficulty
Advanced
Environment
Entra ID / Zero Trust
Deployment
Home Lab
Est. Implementation
4–6 weeks
Executive Summary
This home-lab project designs identity as the primary security perimeter, layering Conditional Access, least-privilege RBAC and continuous verification to enable secure remote and hybrid access without relying on the network edge.
It demonstrates a modern Zero Trust identity architecture that can be adapted to enterprise environments.
Business Problem
Traditional network-centric security assumes trust based on location, which breaks down for remote and hybrid work and cloud-first access.
As work moves beyond the corporate network, identity must become the control plane. A network-based perimeter alone no longer protects modern access.
Business Risks
- Over-trusting network location for access decisions
- Excessive standing privilege
- Weak verification for remote access
Compliance Concerns
- Least-privilege and access governance principles
- Continuous verification requirements
Solution Overview
The design layers Conditional Access policies, least-privilege role assignments, self-service password reset and strong authentication to build an identity-centric perimeter.
Access decisions are based on identity, device and risk signals rather than network location, enabling secure access from anywhere.
Architecture
Architecture diagram placeholder
Technology Stack
Microsoft Entra ID
Identity provider and control plane
Conditional Access
Layered, signal-based access policies
RBAC
Least-privilege role assignments
SSPR
Self-service password reset
Hyper-V
Home-lab virtualisation for test identities
Lab Environment
- Tenant
- Microsoft 365 developer / lab tenant
- Licensing
- Entra ID P2 (lab)
- Identity
- Microsoft Entra ID
- Virtual Machines
- Hyper-V lab VMs
- Operating Systems
- Windows Server + Windows 11
- Network
- Segmented lab network
Implementation
A phased, expandable walkthrough. Screenshots and evidence can be attached to each phase.
Stand up the lab tenant and identities.
- Provision lab tenant and users
- Configure Hyper-V test VMs
- Establish baseline identity configuration
Screenshots for this phase can be added here.
PowerShell
Illustrative example snippets — copy or download each script. Production values are placeholders.
Review role assignments (Graph)
# Example — review directory role assignments via Microsoft Graph
Connect-MgGraph -Scopes "RoleManagement.Read.Directory"
Get-MgRoleManagementDirectoryRoleAssignment |
Select-Object PrincipalId, RoleDefinitionIdConfiguration Screenshots
Click any tile to open the lightbox. Real screenshots will replace these placeholders.
Validation
Identity-Based Access
Access decisions use identity and risk, not location.
Least Privilege
Roles follow least-privilege principles.
Strong Authentication
MFA and SSPR are enforced.
Continuous Verification
Signals are re-evaluated per access.
Challenges
Policy layering complexity
Designing non-conflicting, layered policies required careful planning and testing.
Balancing security and usability
Strong controls were tuned to avoid unnecessary friction for legitimate access.
Lessons Learned
- Identity-first design is the foundation of modern Zero Trust.
- Least privilege must be governed continuously, not set once.
- A home lab is an excellent way to prove architecture before production.
Business Impact
Identity control plane
Zero Trust Alignment
Least privilege
Reduced Risk
Location-independent
Secure Remote Access
Role model
Improved Governance
Skills Demonstrated
Related Certifications
Certifications this project maps to are highlighted.
Related Blog Articles
Placeholder cards — future TechCertGuide integration.
GitHub Repository
lokeshm-it/m365-zero-trust-identity
PublicHome-lab Zero Trust identity architecture and notes.
Download Center
Project Case Study
PDF · Available soon
Architecture Diagram
PDF · Available soon
PowerShell Scripts
ZIP · Available soon
Technical Documentation
PDF · Available soon