Microsoft Defender for Office 365 Overview

Microsoft Defender for Office 365 is a native, cloud-based security service integrated directly into the Microsoft 365 suite. It provides unified, advanced threat protection across Exchange Online, SharePoint, OneDrive, and Teams. It specializes in defending against sophisticated attacks like Business Email Compromise (BEC) and credential phishing through Safe Links and Safe Attachments, which scan URLs and files in real-time. A standout capability is its automated investigation and response (AIR) system, which uses artificial intelligence to analyze threats, correlate signals, and take corrective actions, such as removing malicious emails from all user inboxes, significantly reducing manual intervention.
This service is essential for any organization with a Microsoft 365 subscription, from small businesses to global enterprises. It is particularly critical for security and IT teams looking to leverage deep integration, automate threat response, and gain comprehensive visibility into threats across the entire Office 365 environment.
As the native security solution for Microsoft 365, Defender for Office 365 offers unparalleled integration, powerful AI-driven automation, and a holistic defense strategy, making it a best-in-class choice for organizations fully invested in the Microsoft ecosystem.
Microsoft Defender for Office 365 Details
Microsoft Defender for Office 365 Platforms supported
Cloud, SaaS, Web-Based
Desktop Chromebook
Desktop Linux
Desktop Mac
Desktop Windows
Mobile Android
Mobile iPad
Mobile iPhone
On-Premise Linux
On-Premise Windows
Microsoft Defender for Office 365 Support options
Microsoft Defender for Office 365 Training options
Documentation
Live Online
Videos
Webinars
In-Person
Microsoft Defender for Office 365 Related Categories
Microsoft Defender for Office 365 Typical customers
Freelancers
Small Businesses
Small to Mid size businesses
Mid size businesses
Mid to Large size enterprises
Large enterprises
Very Large enterprises
Microsoft Defender for Office 365 Features
Most valued Microsoft Defender for Office 365 features by users
Allow / Block List
Archiving & Retention
Email Routing
Encryption
Quarantine
Reporting/Analytics
Spam Blocker
Spam Detection
Email Attachment Protection
Fraud Detection
Policy Management
Whitelisting/Blacklisting
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