Microsoft Defender for Business Pricing (2026)
Microsoft Defender for Business pricing starts at $3/user/mo. It uses a per user model, with a yes 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.
| Plan | Price | Billing | Limits / 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 yes 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 yes 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 yes free trial.