Freedom251 › OT and ICS Security Monitoring Software
Microsoft Defender for Business

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Microsoft Entra Internet Access | Annual subscription—auto renews · Secure employee access to internet, AI, and SaaS apps · Protect against internet threats | $5 a month |
| Microsoft Entra Suite | Annual subscription—auto renews · Includes Secure Web and AI Gateway capabilities · Continuous, adaptive Conditional Access · Identity governance and real-time risk detection | $12 a month |
| Microsoft Defender for Business | 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 | $3 a year |
As microsoft.com lists them, read 22 Sept 2026. The maker's own page has the final word.
Facts from Microsoft Defender for Business's own pages
- APIs
- The product comparison lists APIs as included with Defender for Business. · learn.microsoft.com, 9 Oct 2026
- Device limit
- 5 · microsoft.com, 20 Sept 2026
- Free plan
- No · microsoft.com, 20 Sept 2026
- Headquarters
- Redmond, Washington, United States · microsoft.com, 23 Sept 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, 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, 9 Oct 2026
- Protection
- It includes next-generation protection, endpoint detection and response, automated investigation and remediation, and automatic attack disruption. · learn.microsoft.com, 9 Oct 2026
- Protection scope
- complete security · microsoft.com, 20 Sept 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, 9 Oct 2026
- Ransomware protection
- Yes · microsoft.com, 20 Sept 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, 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, 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, 9 Oct 2026
- Paid from
- 3 · microsoft.com, 20 Sept 2026
- Subscriptions
- Defender for Business is available as a standalone subscription or included in Microsoft 365 Business Premium. · learn.microsoft.com, 9 Oct 2026
- Support
- Microsoft's Defender for Business documentation provides a guide for getting help or contacting support. · learn.microsoft.com, 9 Oct 2026
- Supported devices
- The product supports Windows, macOS, iOS, and Android devices, with no minimum device count. · microsoft.com, 9 Oct 2026
- Supported platforms
- Windows,macOS,iOS,Android · microsoft.com, 20 Sept 2026
- Vulnerability management
- The product includes core vulnerability management capabilities to help identify and address weaknesses. · learn.microsoft.com, 9 Oct 2026
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