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CASE STUDY / 05INTUNE / DEFENDER / WINDOWS

A stronger endpoint foundation.

Intune & Defender Endpoint Security

A phased security baseline connecting device management, compliance, identity, and endpoint protection.

PROJECT STATUSDesigned & implemented
01 / CONTEXT

The challenge.

Engineering work by Daniel Moussa · Microsoft 365 Engineer

Endpoint protection, enrollment, device configuration, and access readiness need to operate together. Replacing security tooling without a staged baseline introduces avoidable operational risk.

THE OBJECTIVE

Implement a phased endpoint-management and security baseline using Microsoft 365 Business Premium capabilities, with validation throughout the rollout.

02 / ARCHITECTURE

Follow the system.

Select a stage to explore its role in the architecture.

SYSTEM FLOW / SELECT A STAGE01 OF 05
STAGE 01

Enroll & manage

Windows enrollment and Intune configuration profiles establish a managed device foundation.

03 / IMPLEMENTATION

What I built.

01

Unified management baseline

Windows enrollment, Intune configuration profiles, compliance policies, OneDrive configuration, and Windows Update rings.

02

Endpoint security controls

Defender for Endpoint, Antivirus, EDR, BitLocker, ASR rules, and Windows LAPS.

03

Phased modernization

Transition considerations for third-party antivirus, Controlled Folder Access, pilot validation, and staged deployment.

04 / ENGINEERING DECISIONS

The choices that matter.

Treat identity and devices as one system

Device compliance and endpoint protection inform readiness for Conditional Access.

Validate before expanding

A phased rollout allows policy behavior and compatibility to be evaluated before wider deployment.

Plan the operational transition

Antivirus migration, update rings, and configuration changes are part of the implementation rather than afterthoughts.

05 / SECURITY & GOVERNANCE

Controls, by design.

  • Least-privilege local administration through Windows LAPS.
  • Encryption, attack-surface reduction, and endpoint detection as complementary controls.
  • Device compliance and deployment validation support Conditional Access readiness.
06 / RESULT & CURRENT STATE

Where the work stands.

A designed and implemented phased endpoint-management and security baseline. The work connects practical device configuration, Defender controls, compliance, and rollout validation.

Architecture is generalized. Client and operational details remain private.
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