Microsoft Defender for Business

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From $0.25/mo Free trial WindowsmacOSiOSAndroidAPI

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Spec score 8.6 #1 of 30 in Security Ratings Software

Spec sheet

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.Read 9 Oct 2026 · learn.microsoft.com
Free plan: NoRead 20 Sep 2026 · microsoft.com
Paid from: 3Read 20 Sep 2026 · microsoft.com
Integrations: The product integrates with Microsoft 365 Lighthouse and can work with remote monitoring and management tools and professional services automation software.Read 9 Oct 2026 · learn.microsoft.com
Support: Microsoft's Defender for Business documentation provides a guide for getting help or contacting support.Read 9 Oct 2026 · learn.microsoft.com
Headquarters: Redmond, Washington, United StatesRead 23 Sep 2026 · microsoft.com
APIs: The product comparison lists APIs as included with Defender for Business.Read 9 Oct 2026 · learn.microsoft.com
Device limit: 5Read 20 Sep 2026 · microsoft.com
Management: Administrators use the Microsoft Defender portal to configure the product, monitor devices and detections, view policies, and manage security recommendations.Read 9 Oct 2026 · learn.microsoft.com
Protection: It includes next-generation protection, endpoint detection and response, automated investigation and remediation, and automatic attack disruption.Read 9 Oct 2026 · learn.microsoft.com
Protection scope: complete securityRead 20 Sep 2026 · microsoft.com
Ransomware protection: YesRead 20 Sep 2026 · microsoft.com
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.Read 9 Oct 2026 · learn.microsoft.com
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.Read 9 Oct 2026 · learn.microsoft.com
Setup: Wizard-driven configuration and default security policies are designed to help protect devices from day one, without requiring specialized knowledge.Read 9 Oct 2026 · learn.microsoft.com
Subscriptions: Defender for Business is available as a standalone subscription or included in Microsoft 365 Business Premium.Read 9 Oct 2026 · learn.microsoft.com
Supported devices: The product supports Windows, macOS, iOS, and Android devices, with no minimum device count.Read 9 Oct 2026 · microsoft.com
Supported platforms: Windows,macOS,iOS,AndroidRead 20 Sep 2026 · microsoft.com
Vulnerability management: The product includes core vulnerability management capabilities to help identify and address weaknesses.Read 9 Oct 2026 · learn.microsoft.com

Plans and prices

Microsoft Defender for Business $3 a month Paid yearly; annual subscription auto-renews. Up to 300 users · Up to five devices per user · No minimum device requirement Read 20 Sep 2026 · microsoft.com

Microsoft Entra Internet Access $5 a month Annual subscription—auto renews Secure employee access to internet, AI, and SaaS apps · Protect against internet threats Read 22 Sep 2026 · microsoft.com

Microsoft Entra Suite $12 a month Annual subscription—auto renews Includes Secure Web and AI Gateway capabilities · Continuous, adaptive Conditional Access · Identity governance and real-time risk detection Read 22 Sep 2026 · microsoft.com

Microsoft Defender for Business $3 a year user/month, paid yearly; annual subscription—auto renews Up to 300 users · up to five devices per user · no minimum device requirement · server protection available as an add-on Read 9 Oct 2026 · microsoft.com

Every Microsoft Defender for Business plan and price →