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Microsoft Defender for Business

Microsoft Defender for Business · Redmond, Washington, United States · founded 1975

Plans and prices

Microsoft Entra Internet Access

$5a month, billed yearly

Secure employee access to internet, AI, and SaaS apps · Protect against internet threats

Microsoft Entra Suite

$12a month, billed yearly

Includes Secure Web and AI Gateway capabilities · Continuous, adaptive Conditional Access · Identity governance and real-time risk detection

Microsoft Defender for Business

See the maker's page

Up to 300 users · up to five devices per user · no minimum device requirement · server protection available as an add-on

Every plan, in full

On the record

APIs
The product comparison lists APIs as included with Defender for Business.learn.microsoft.com · read 9 Oct 2026
Device limit
5microsoft.com · read 20 Sep 2026
Integrations
The product integrates with Microsoft 365 Lighthouse and can work with remote monitoring and management tools and professional services automation software.learn.microsoft.com · read 9 Oct 2026
Management
Administrators use the Microsoft Defender portal to configure the product, monitor devices and detections, view policies, and manage security recommendations.learn.microsoft.com · read 9 Oct 2026
Protection
It includes next-generation protection, endpoint detection and response, automated investigation and remediation, and automatic attack disruption.learn.microsoft.com · read 9 Oct 2026
Protection scope
complete securitymicrosoft.com · read 20 Sep 2026
Purpose
Microsoft Defender for Business is an endpoint security solution for small and medium-sized businesses with up to 300 users that helps protect devices from ransomware, malware, phishing, and other threats.learn.microsoft.com · read 9 Oct 2026
Ransomware protection
Yesmicrosoft.com · read 20 Sep 2026
Security practices
Microsoft describes service-level security practices for Defender for Business as defense in depth, customer controls, security hardening, and Microsoft 365 operational best practices.learn.microsoft.com · read 9 Oct 2026
Server coverage
Server protection is available through a separate add-on, which requires at least one paid Defender for Business or Microsoft 365 Business Premium license and allows up to 60 server licenses per subscription.learn.microsoft.com · read 9 Oct 2026
Setup
Wizard-driven configuration and default security policies are designed to help protect devices from day one, without requiring specialized knowledge.learn.microsoft.com · read 9 Oct 2026
Paid from
3microsoft.com · read 20 Sep 2026
Subscriptions
Defender for Business is available as a standalone subscription or included in Microsoft 365 Business Premium.learn.microsoft.com · read 9 Oct 2026
Support
Microsoft's Defender for Business documentation provides a guide for getting help or contacting support.learn.microsoft.com · read 9 Oct 2026
Supported devices
The product supports Windows, macOS, iOS, and Android devices, with no minimum device count.microsoft.com · read 9 Oct 2026
Supported platforms
Windows,macOS,iOS,Androidmicrosoft.com · read 20 Sep 2026
Vulnerability management
The product includes core vulnerability management capabilities to help identify and address weaknesses.learn.microsoft.com · read 9 Oct 2026

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