Microsoft Defender for Business Review (2026)
- Starting price
- $3/user/mo
- Free trial
- Free trial
- Deployment
- Cloud
- Best for
- SMBs already on Microsoft 365 wanting bundled EDR
Our verdict
Microsoft Defender for Business earns 7.8/10 in our review, weighted from 4.4/5 (~300 G2 reviews) and its feature/pricing profile. Best for SMBs already on Microsoft 365 wanting bundled EDR. Starting price: $3/user/mo.
Backed by 4.4★ · 300 reviews on G2.
Pros & cons
✓ Pros
- Cheap if you have M365
- Solid detection
- Per-user (covers multiple devices)
✕ Cons
- Best within Microsoft ecosystem
- Licensing nuances
- Tuning needed
Key features
- EDR for SMB
- Next-gen AV
- Threat & vulnerability mgmt
- Auto-investigation
- M365 integration
How Microsoft Defender for Business compares
| Microsoft Defender for Business | SentinelOne Singularity | CrowdStrike Falcon | |
|---|---|---|---|
| Starting price | $3/user/mo | $69.99/endpoint/yr | $59.99/device/yr |
| Pricing model | per user | per endpoint | per endpoint |
| Free trial / tier | Free trial | Free trial | 15 days |
| Best for | SMBs already on Microsoft 365 wanting bundled EDR | Teams wanting autonomous AI-driven EDR/XDR | Organizations wanting best-in-class cloud-native EDR + threat intel |
| Deployment | Cloud | Cloud | Cloud |
| G2 rating | 4.4/5 (300) | 4.7/5 (2000) | 4.7/5 (290) |
| Capterra rating | — | — | — |
| Our score | 7.8 | 8.4 | 8.3 |
Try Microsoft Defender for Business →
Full review
Microsoft Defender for Business review — 7.8/10
Microsoft Defender for Business is a endpoint security tool we score on verified pricing, ratings and features. Our score weights 4.4/5 (~300 G2 reviews) against feature breadth and pricing value.
Pricing value
Microsoft Defender for Business starts at $3/user/mo on a per user model after a free trial. See the full pricing breakdown.
Who should buy Microsoft Defender for Business
Best for SMBs already on Microsoft 365 wanting bundled EDR. If that is not you, weigh the alternatives.
Frequently asked questions
- Is Microsoft Defender for Business worth it?
- Microsoft Defender for Business earns 7.8/10 in our review, weighted from 4.4/5 (~300 G2 reviews) and its feature/pricing profile. Best for SMBs already on Microsoft 365 wanting bundled EDR. Starting price: $3/user/mo.
- What does Microsoft Defender for Business cost?
- From $3/user/mo — see the pricing page.
Based on aggregated third-party ratings (4.4/5 (~300 G2 reviews)) and Microsoft Defender for Business's published feature and pricing data. Hands-on testing notes are added as we trial each tool — see how we test.