Rapid7 MDR
7.3/10
MSP Compared score
- Starting price
- Custom quote
- Reviews
- 4.5/5 (~100 G2 reviews)
- Free trial
- —
- Deployment
- Cloud
- Best for
- Orgs wanting MDR built on the InsightIDR SIEM platform
Best MDR / XDR Software · 2026
Rapid7 MDR vs 
UnderDefense Rapid7 MDR vs UnderDefense: on our data-weighted scoring, UnderDefense edges ahead (8.1 vs 7.3/10). Rapid7 MDR starts at Custom quote and is best for orgs wanting MDR built on the InsightIDR SIEM platform; 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 Rapid7 MDR if its pricing model or fit matches your environment better. Side-by-side table below.
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UnderDefense
8.1/10
MSP Compared score
- Starting price
- $11/endpoint/mo
- Reviews
- 4.9/5 (~29 G2 reviews)
- Free trial
- 14 days
- Deployment
- Cloud + on-prem
- Best for
- Teams that want an agentic AI SOC on top of the SIEM or XDR they already run
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 | Rapid7 MDR | UnderDefense |
|---|---|---|
| Editorial | 7.3 | 8.1 |
| User reviews | 9.0 | 9.8 |
| Adoption | 5.3 | 3.9 |
| Affordability | 5.0 | 4.1 |
| Feature breadth | 4.0 | 6.0 |
| Ease of trial | 3.0 | 6.0 |
Rapid7 MDR vs UnderDefense: head-to-head
| Rapid7 MDR | UnderDefense | |
|---|---|---|
| Starting price | Custom quote | $11/endpoint/mo |
| Pricing model | quote | per endpoint |
| Free trial / tier | — | 14 days |
| Best for | Orgs wanting MDR built on the InsightIDR SIEM platform | Teams that want an agentic AI SOC on top of the SIEM or XDR they already run |
| Deployment | Cloud | Cloud + on-prem |
| G2 rating | 4.5/5 (100) | 4.9/5 (29) |
| Capterra rating | — | — |
| Our score | 7.3 | 8.1 |
Choose Rapid7 MDR if…
You need orgs wanting mdr built on the insightidr siem platform.
✓ Pros
- Strong SIEM foundation
- Good detections
- Established vendor
✕ Cons
- Quote pricing
- Platform-tied
- Enterprise focus
Choose UnderDefense if…
You need teams that want an agentic ai soc on top of the siem or xdr they already run.
✓ Pros
- Published per-endpoint floor (rare in this category)
- Runs on the SIEM/XDR you already own
- 14-day trial
✕ Cons
- G2 volume still small vs Huntress or Arctic Wolf
- Higher tiers are contact-sales
- Annual contracts
In depth
Pricing: UnderDefense vs Rapid7 MDR
UnderDefense bills on a per endpoint model from $11/endpoint/mo (14 days trial), while Rapid7 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.
Features & deployment
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. Rapid7 MDR ships 4 (MDR on InsightIDR, Threat intel, Custom detections, IR included), deploying Cloud.
Ratings & verdict
UnderDefense holds 4.9/5 (~29 G2 reviews); Rapid7 MDR holds 4.5/5 (~100 G2 reviews). On our data-weighted score, UnderDefense edges ahead (8.1 vs 7.3/10). Pick Rapid7 MDR instead when orgs wanting mdr built on the insightidr siem platform. See UnderDefense alternatives or Rapid7 MDR alternatives.
Frequently asked questions
- Rapid7 MDR vs UnderDefense: which is better?
- Rapid7 MDR vs UnderDefense: on our data-weighted scoring, UnderDefense edges ahead (8.1 vs 7.3/10). Rapid7 MDR starts at Custom quote and is best for orgs wanting MDR built on the InsightIDR SIEM platform; 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.
- Is Rapid7 MDR cheaper than UnderDefense?
- Rapid7 MDR starts at Custom quote and UnderDefense starts at $11/endpoint/mo (see the pricing rows for models and limits).
Data as of November 1, 2026. Sources: rapid7.com, underdefense.com. Figures are pulled from public vendor and security data and refreshed automatically.