Microsoft Defender for Business from Alkimio. Microsoft Defender for Business protects Windows, macOS, iOS and Android devices against ransomware, malware and other cyberattacks.
It combines next-generation antivirus, attack surface reduction, endpoint detection and response, and automated investigation and remediation, managed from one security portal.
It is designed for businesses with up to 300 users and is already included in Microsoft 365 Business Premium. Buy it standalone to add device protection to Business Basic or Standard.
What’s included with Microsoft Defender for Business
- Next-generation antivirus
- Endpoint detection and response
- Automated investigation and remediation
- Threat and vulnerability management
- Protection for up to 5 devices per user
Not included: Email protection (included in Defender for Office 365).
Microsoft Defender for Business license details
| Product | Microsoft Defender for Business |
|---|---|
| License type | Subscription |
| Term | 12 months, renews annually |
| Users or devices | 1 user, up to 5 devices |
| Price | $36.00 per user per year ($3.00 a month) |
| Delivery | Provisioned to your Microsoft 365 tenant |
| Intended use | Business use |
System requirements
- Windows 10 or later, macOS (three latest versions), iOS or Android
- A Microsoft 365 tenant
Delivery and activation
We add the licenses to your Microsoft 365 tenant, or create a tenant for you, within one business day. You then assign each license to a user in the Microsoft 365 admin center, and our team can help with setup.
Frequently asked questions
Can I add more Microsoft Defender for Business licenses later?
Yes. You can add licenses at any time and assign them straight away. New licenses join your current term, and reductions can be made within 7 days of purchase or renewal, or at the end of the term.
Can I cancel Microsoft Defender for Business?
You can cancel within 7 days (168 hours) of purchase or renewal for a prorated refund, in line with Microsoft’s rules. After that the subscription runs to the end of the term. See our Refund and Cancellation Policy.
How quickly is Microsoft Defender for Business delivered?
Most orders are delivered within one business day. Subscriptions are added to your Microsoft 365 tenant. See our Delivery Policy.
Is Microsoft Defender for Business right for my business?
Tell us how many people and devices you have and how you work, and we will confirm the right license before you buy. Contact our team.
For Microsoft’s own product overview, see Microsoft Defender for Business on microsoft.com. Read how licensing works in our licensing guide.


