Microsoft Defender for Business
8.2/10
MSP Compared score
- Starting price
- $3/user/mo
- Reviews
- 4.4/5 (~300 G2 reviews)
- Free trial
- Free trial
- Deployment
- Cloud
- Best for
- SMBs already on Microsoft 365 wanting bundled EDR
Best Endpoint Security & EDR Software · 2026
Microsoft Defender for Business vs 
SentinelOne Singularity Microsoft Defender for Business vs SentinelOne Singularity: on our data-weighted scoring, SentinelOne Singularity edges ahead (8.4 vs 7.8/10). Microsoft Defender for Business starts at $3/user/mo and is best for smbs already on microsoft 365 wanting bundled edr; SentinelOne Singularity starts at $69.99/endpoint/yr and is best for teams wanting autonomous ai-driven edr/xdr. Choose SentinelOne Singularity for the stronger overall track record; consider Microsoft Defender for Business if its pricing model or fit matches your environment better. Side-by-side table below.
SentinelOne Singularity
9.0/10
MSP Compared score
- Starting price
- $69.99/endpoint/yr
- Reviews
- 4.7/5 (~2k G2 reviews)
- Free trial
- Free trial
- Deployment
- Cloud
- Best for
- Teams wanting autonomous AI-driven EDR/XDR
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Strengths at a glance
Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Microsoft Defender for Business | SentinelOne Singularity |
|---|---|---|
| Editorial | 7.8 | 8.4 |
| User reviews | 8.8 | 9.4 |
| Adoption | 6.6 | 8.7 |
| Affordability | 7.8 | 1.7 |
| Feature breadth | 5.0 | 5.0 |
| Ease of trial | 6.0 | 6.0 |
Microsoft Defender for Business vs SentinelOne Singularity: head-to-head
| Microsoft Defender for Business | SentinelOne Singularity | |
|---|---|---|
| Starting price | $3/user/mo | $69.99/endpoint/yr |
| Pricing model | per user | per endpoint |
| Free trial / tier | Free trial | Free trial |
| Best for | SMBs already on Microsoft 365 wanting bundled EDR | Teams wanting autonomous AI-driven EDR/XDR |
| Deployment | Cloud | Cloud |
| G2 rating | 4.4/5 (300) | 4.7/5 (2000) |
| Capterra rating | — | — |
| Our score | 7.8 | 8.4 |
Choose Microsoft Defender for Business if…
You need smbs already on microsoft 365 wanting bundled edr.
Pros
- Cheap if you have M365
- Solid detection
- Per-user (covers multiple devices)
Cons
- Best within Microsoft ecosystem
- Licensing nuances
- Tuning needed
Choose SentinelOne Singularity if…
You need teams wanting autonomous ai-driven edr/xdr.
Pros
- Top-tier autonomous detection
- Strong rollback
- Excellent independent test scores
Cons
- EDR needs Complete tier
- Data Lake costs extra
- List prices rarely paid (negotiate)
In depth
Pricing: SentinelOne Singularity vs Microsoft Defender for Business
SentinelOne Singularity bills on a per endpoint model from $69.99/endpoint/yr (yes trial), while Microsoft Defender for Business uses a per user model from $3/user/mo (yes trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Features & deployment
SentinelOne Singularity ships 5 headline capabilities (Autonomous AI detection, Storyline attack visualization, EDR/XDR, Ranger network discovery) and deploys Cloud. Microsoft Defender for Business ships 5 (EDR for SMB, Next-gen AV, Threat & vulnerability mgmt, Auto-investigation), deploying Cloud.
Ratings & verdict
SentinelOne Singularity holds 4.7/5 (~2k G2 reviews); Microsoft Defender for Business holds 4.4/5 (~300 G2 reviews). On our data-weighted score, SentinelOne Singularity edges ahead (8.4 vs 7.8/10). Pick Microsoft Defender for Business instead when smbs already on microsoft 365 wanting bundled edr. See SentinelOne Singularity alternatives or Microsoft Defender for Business alternatives.
Frequently asked questions
- Microsoft Defender for Business vs SentinelOne Singularity: which is better?
- Microsoft Defender for Business vs SentinelOne Singularity: on our data-weighted scoring, SentinelOne Singularity edges ahead (8.4 vs 7.8/10). Microsoft Defender for Business starts at $3/user/mo and is best for smbs already on microsoft 365 wanting bundled edr; SentinelOne Singularity starts at $69.99/endpoint/yr and is best for teams wanting autonomous ai-driven edr/xdr.
- Is Microsoft Defender for Business cheaper than SentinelOne Singularity?
- Microsoft Defender for Business starts at $3/user/mo and SentinelOne Singularity starts at $69.99/endpoint/yr (see the pricing rows for models and limits).
Data as of June 16, 2026. Sources: microsoft.com, sentinelone.com. Figures are pulled from public vendor and security data and refreshed automatically.