Sophos MDR
- Starting price
- Custom quote
- Reviews
- 4.7/5 (~300 G2 reviews)
- Free trial
- —
- Deployment
- Cloud
- Best for
- Sophos customers wanting 24/7 managed detection
Best MDR / XDR Software · 2026
Sophos MDR vs UnderDefense: on our data-weighted scoring, UnderDefense edges ahead (8.1 vs 7.7/10). Sophos MDR starts at Custom quote and is best for sophos customers wanting 24/7 managed detection; UnderDefense starts at $11/endpoint/mo and is best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run. Choose UnderDefense for the stronger overall track record; consider Sophos MDR if its pricing model or fit matches your environment better. Side-by-side table below.
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Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Sophos MDR | UnderDefense |
|---|---|---|
| Editorial | 7.7 | 8.1 |
| User reviews | 9.4 | 9.8 |
| Adoption | 6.6 | 3.9 |
| Affordability | 5.0 | 4.1 |
| Feature breadth | 4.0 | 6.0 |
| Ease of trial | 3.0 | 6.0 |
| Sophos MDR | UnderDefense | |
|---|---|---|
| Starting price | Custom quote | $11/endpoint/mo |
| Pricing model | quote | per endpoint |
| Free trial / tier | — | 14 days |
| Best for | Sophos customers wanting 24/7 managed detection | Teams that want an agentic AI SOC on top of the SIEM or XDR they already run |
| Deployment | Cloud | Cloud + on-prem |
| G2 rating | 4.7/5 (300) | 4.9/5 (29) |
| Capterra rating | — | — |
| Our score | 7.7 | 8.1 |
You need sophos customers wanting 24/7 managed detection.
You need teams that want an agentic ai soc on top of the siem or xdr they already run.
UnderDefense bills on a per endpoint model from $11/endpoint/mo (14 days trial), while Sophos MDR uses a quote model from Custom quote. Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
UnderDefense ships 6 headline capabilities (Agentic AI SOC overlay, Vendor-agnostic SIEM/XDR connectors, 24/7 concierge analysts, Co-managed SIEM) and deploys Cloud + on-prem. Sophos MDR ships 4 (24/7 MDR, Works with third-party telemetry, Threat hunting, Incident response), deploying Cloud.
UnderDefense holds 4.9/5 (~29 G2 reviews); Sophos MDR holds 4.7/5 (~300 G2 reviews). On our data-weighted score, UnderDefense edges ahead (8.1 vs 7.7/10). Pick Sophos MDR instead when sophos customers wanting 24/7 managed detection. See UnderDefense alternatives or Sophos MDR alternatives.