Defender for
Office 365

Technical design, implementation, testing, and knowledge transfer.

Email Is the Front Door.
Lock It Properly.

Email remains the primary entry point for cyberattacks, and without the right safeguards, your business is vulnerable. The Defender for Office 365 implementation service helps businesses like yours fully activate Microsoft’s advanced email and collaboration security by protecting users from phishing, malware, spam, spoofing, and zero-day threats.

As your implementation partner, Mobile Mentor provides a proven design, secure configuration, and hands-on knowledge transfer so your team can operate Defender for Office 365 with confidence from day one.

Young man with smartphone in his hands. Modern businessman at sunny office.

Modern email threats require more than default settings 

Most businesses already license Defender for Office 365, but many rely on default configurations that leave gaps attackers know how to exploit. Disconnected controls, noisy alerts, and manual investigations can slow response times and increase risk.

Our team approaches Defender for Office 365 as a connected security system, not a checklist of features. We align protections across email, Teams, OneDrive, and SharePoint, and integrate Defender for Office 365 with Defender for Endpoint to improve detection, investigation, and response for your business.

Our Process

We follow a structured, repeatable process to ensure Defender for Office 365 is implemented correctly and aligned to your environment.

DISCOVERY

Understand your use cases and technical dependencies

DESIGN

Custom design for your environment, approved by you

IMPLEMENTATION

Deployment of the approved design in your M365 tenant

TESTING

Functional testing and validation for your users and devices

KNOWLEDGE

As-built document and hands-on-keyboard knowledge transfer

What you'll get 

Our Defender for Office 365 service provides end-to-end protection against email-based threats, including:

Advanced protection against malware, spam, phishing, and spoofing

Safe Links, Safe Attachments, and Safe Documents configured to Microsoft best practices

Automated Investigation and Response (AutoIR) to contain threats faster

Zero-hour Auto Purge (ZAP) enabled for email, phishing, spam, and Teams

Intelligent alerting, AI-driven detection, and threat hunting

Secure email authentication using SPF, DKIM, DMARC, and MX records

The technical knowledge and technical experience of the (Mobile Mentor) team was really paramount in getting the right solution in place.

Angus Armstrong, CIO, Flight Centre

Knowledge transfer and operational readiness

Prevention depends on more than configuration; it requires teams that know how to act when threats appear. That’s why the Defender for Office 365 service goes beyond configuration and focuses on operational readiness for your business. Our team ensures you know not just what was implemented, but why, and how to run Defender for Office 365 with confidence after handover. 

To support that, the service includes: 

  • A Defender for Office 365 initialization guide 

  • A secure email authentication guide covering SPF, DKIM, and DMARC 

  • As-built documentation reflecting your final configuration 

  • Three one-hour knowledge transfer sessions tailored to your team 

  • Training for helpdesk and support staff 

  • End-user reporting guidance and communications 

Outcomes you can expect

When Defender for Office 365 is properly designed and implemented, the impact is immediate and measurable. This service strengthens your security posture while making day-to-day operations more manageable for your team. 

  • Email protected from phishing, spoofing, malware, and zero-day threats 

  • Automated containment of malicious messages and files

  • Reduced alert fatigue and faster response times

  • Improved visibility across email, Teams, OneDrive, and SharePoint

  • A Defender environment designed to evolve with Microsoft’s roadmap

Pricing

From

$12,500

Price includes workshops, delivery of findings and recommendations, and our best practice guide for user communications.

LEARN MORE ABOUT DEFENDER FOR OFFICE 365

Contact a Mobile Mentor expert today

Mobile Mentor is Microsoft’s 2021 Partner of the Year for Endpoint Management. Our engineers are certified by Microsoft, Apple and Google.

Complete our contact form below and one of our consultants will get back to you within 24 hours.