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Microsoft Defender for Business

Product

An endpoint security offering from Microsoft for small and medium businesses with up to 300 users. It is available as a standalone subscription and is included in Microsoft 365 Business Premium.

◆ PRODUCTMicrosoft Defender forBusinessM365.FM
Title graphic: Microsoft Defender for Business (Product)
TypeProduct
Documentationlearn.microsoft.com/en-us/defender-business/mdb-overview

Key points about Microsoft Defender for Business

Episodes about Microsoft Defender for Business

Microsoft Partner Center - Simply Explained

2026-07-24 · Video on YouTube

Many partners think Partner Center is only a portal for big resellers and leave benefits, credits and incentives unused. This episode explains Microsoft Partner Center for consultants, managed service providers and software companies: who it is for, what the…

Microsoft Defender for Business - Simply Explained

2026-10-29 · Video on YouTube

Attackers prefer small businesses because fewer people are watching. This episode explains Microsoft Defender for Business for small and medium companies without a security team: what it does, how to set it up, what it costs and where it stops. You will know…

Microsoft Defender for Endpoint - Simply Explained

2026-07-22 · Video on YouTube

Traditional antivirus can no longer keep up with ransomware, phishing and attackers who move quietly between devices. This plain-English episode is for IT admins and business owners who want to understand Microsoft Defender for Endpoint, from EDR and attack…

2026-07-22 – Microsoft Defender for Endpoint - Simply Explained2026-07-24 – Microsoft Partner Center - Simply Explained2026-10-29 – Microsoft Defender for Business - Simply Explained2026-072026-10
Timeline of episodes about Microsoft Defender for Business

Articles about Microsoft Defender for Business (1)

Frequently asked questions

What is Microsoft Defender for Business?

It is a security tool that watches over a business's devices, such as laptops, phones and tablets. It is built for small and medium businesses and runs the same security engine larger companies use. · From the episode: Microsoft Defender for Business - Simply…

How many users can Defender for Business support?

It is designed for companies with up to 300 users. That ceiling decides whether the product is meant for you. · From the episode: Microsoft Defender for Business - Simply…

How much does Microsoft Defender for Business cost?

The episode states it costs three dollars per user per month on its own, or it comes included with Microsoft 365 Business Premium. · From the episode: Microsoft Defender for Business - Simply…

Why isn't antivirus alone enough for a small business?

Attackers target small businesses because few people are watching. Defender for Business adds detection and response and recovery help on top of malware and ransomware protection. · From the episode: Microsoft Defender for Business - Simply…

Do I need a security team to run Defender for Business?

No. You set it up with a wizard, and policies work out of the box, so it does not require a security team to run. · From the episode: Microsoft Defender for Business - Simply…

Glossary

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Sources

Maintained by Mirko Peters (Microsoft MVP) · Last updated: