UnderDefense Review (2026)
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- Starting price
- $11/endpoint/mo
- 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
Our verdict
UnderDefense earns 8.1/10 in our review, weighted from 4.9/5 (~29 G2 reviews) and its feature/pricing profile. Vendor-agnostic AI SOC that sits on your existing stack, with a published $11/endpoint starting price. Best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run. Starting price: $11/endpoint/mo.
Backed by 4.9★ · 29 reviews on G2.
Pros & cons
✓ 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
Key features
- Agentic AI SOC overlay
- Vendor-agnostic SIEM/XDR connectors
- 24/7 concierge analysts
- Co-managed SIEM
- ChatOps via Slack/Teams
- Incident response retainer
How UnderDefense compares
| UnderDefense | Huntress | Arctic Wolf | |
|---|---|---|---|
| Starting price | $11/endpoint/mo | Custom quote | Custom quote |
| Pricing model | per endpoint | per endpoint | quote |
| Free trial / tier | 14 days | Free trial | — |
| Best for | Teams that want an agentic AI SOC on top of the SIEM or XDR they already run | MSPs and SMBs wanting affordable managed detection with a real human SOC | Mid-market orgs wanting a named concierge security team |
| Deployment | Cloud + on-prem | Cloud | Cloud |
| G2 rating | 4.9/5 (29) | 4.9/5 (700) | 4.7/5 (250) |
| Capterra rating | — | — | — |
| Our score | 8.1 | 8.6 | 7.8 |
Affiliate disclosure: Some links may be affiliate or partner links. If you sign up through one, we may earn a commission at no extra cost to you. This never changes our scores or rankings. Learn more.
Full review
UnderDefense review — 8.1/10
Vendor-agnostic AI SOC that sits on your existing stack, with a published $11/endpoint starting price. Our score weights 4.9/5 (~29 G2 reviews) against feature breadth and pricing value; last hands-on data check 2026-09.
Pricing value
UnderDefense starts at $11/endpoint/mo on a per endpoint model after a 14 days free trial. See the full pricing breakdown.
Who should buy UnderDefense
Best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run. If that is not you, weigh the alternatives.
Frequently asked questions
- Is UnderDefense worth it?
- UnderDefense earns 8.1/10 in our review, weighted from 4.9/5 (~29 G2 reviews) and its feature/pricing profile. Vendor-agnostic AI SOC that sits on your existing stack, with a published $11/endpoint starting price. Best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run. Starting price: $11/endpoint/mo.
- What does UnderDefense cost?
- From $11/endpoint/mo — see the pricing page.
Based on aggregated third-party ratings (4.9/5 (~29 G2 reviews)) and UnderDefense's published feature and pricing data. Hands-on testing notes reflect the test date shown above. See how we test.