Case Study: Enhancing Windows Login Security with Multi-Factor Authentication

July 10, 2025

Client Overview

Industry: Finance
Size: 20+
Location: Oakland, Ca

IT Environment: Primarily Windows-based infrastructure with centralized authentication through Active Directory.

Challenge

Objective

Implement Duo MFA for Windows login to:

Secure local and remote login to Windows desktops and servers.
Meet compliance standards (e.g., HIPAA, CMMC, or others).
Minimize user disruption during the rollout.

Solution

Approach:

Precision IT Consulting implemented Duo MFA for Windows logins across all applicable endpoints, ensuring compatibility with existing Active Directory policies.

Steps Taken:

1. Assessment and Planning:

Evaluated existing infrastructure and endpoint types.
Identified target systems for Duo deployment.
Developed a phased rollout plan and user communication strategy.

2. Duo Configuration:

Integrated Duo with existing AD environment.
Set up Duo Admin Portal with user groups and policies.
Enabled 2FA for local logins via Duo Windows Logon client.

3. Pilot Deployment:

Conducted a pilot test on IT and management systems.
Gathered feedback and refined policies.

4. Full Rollout:

Deployed Duo client to all required machines using RMM/Group Policy.
Enrolled users via self-service and guided registration.
Configured fallback and offline access options as needed.

5. User Training and Support:

Provided documentation and support for Duo app installation.
Offered training sessions and helpdesk assistance during go-live.

Results

Improved Security: Significant reduction in unauthorized login attempts.
Compliance Achieved: Client met industry regulatory requirements for MFA.
User Adoption: Smooth adoption with minimal resistance due to comprehensive onboarding.
Scalability: Solution is scalable for future endpoint additions or policy changes.