Microsoft Defender for Business Pricing (2026)

Microsoft
Microsoft Defender for Business
7.8/10 MSP Compared score 4.4★ · 300 reviews G2
From $3/user/mo
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Starting price
$3/user/mo
Free trial
Free trial
Deployment
Cloud
Best for
SMBs already on Microsoft 365 wanting bundled EDR

Microsoft Defender for Business pricing starts at $3/user/mo. It uses a per user model, with a free trial. The table below lists every published plan; prices are stamped with the date we last verified them against the vendor's pricing page.

Microsoft Defender for Business plans — pricing as of 2026-06
PlanPriceBillingLimits / notes
Defender for Business $3/user/mo annual Standalone; included in M365 Business Premium

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Compare with SentinelOne Singularity pricing, CrowdStrike Falcon pricing.

Is it worth it?

Microsoft Defender for Business pricing starts at $3/user/mo. It uses a per user model, with a free trial. The table below lists every published plan; prices are stamped with the date we last verified them against the vendor's pricing page.

Pricing notes

Microsoft Defender for Business is priced on a per user model, starting at $3/user/mo, after a free trial. Verified against the vendor pricing page as of 2026-06.

It publishes 1 plan: Defender for Business (Standalone; included in M365 Business Premium). The table above lists exact per-unit prices and billing terms.

How it compares: SentinelOne Singularity starts at $69.99/endpoint/yr, and CrowdStrike Falcon starts at $59.99/device/yr. Watch the billing model — a per user price looks cheap until you multiply it across every user.

Frequently asked questions

How much does Microsoft Defender for Business cost?
Microsoft Defender for Business starts at $3/user/mo, billed on a per user basis.
Does Microsoft Defender for Business have a free trial?
Yes — a free trial.
Data as of June 1, 2026. Sources: microsoft.com. Figures are pulled from public vendor and security data and refreshed automatically.