Best MDR / XDR Software · 2026

Arctic Wolf logoArctic Wolf vs UnderDefense logoUnderDefense

Arctic Wolf vs UnderDefense: on our data-weighted scoring, UnderDefense edges ahead (8.1 vs 7.8/10). Arctic Wolf starts at Custom quote and is best for mid-market orgs wanting a named concierge security team; 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 Arctic Wolf if its pricing model or fit matches your environment better. Side-by-side table below.

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Arctic Wolf

7.8/10
MSP Compared score
Starting price
Custom quote
Reviews
4.7/5 (~250 G2 reviews)
Free trial
—
Deployment
Cloud
Best for
Mid-market orgs wanting a named concierge security team
Visit Arctic Wolf →
Our pick

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
Visit UnderDefense →

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 →

EditorialUser reviewsAdoptionAffordabilityFeature breadthEase of trial
Arctic WolfUnderDefense
CriterionArctic WolfUnderDefense
Editorial 7.8 8.1
User reviews 9.4 9.8
Adoption 6.4 3.9
Affordability 5.0 4.1
Feature breadth 5.0 6.0
Ease of trial 3.0 6.0

Arctic Wolf vs UnderDefense: head-to-head

Arctic Wolf vs UnderDefense — specs and pricing
Arctic WolfUnderDefense
Starting price Custom quote $11/endpoint/mo
Pricing model quote per endpoint
Free trial / tier — 14 days
Best for Mid-market orgs wanting a named concierge security team 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 (250) 4.9/5 (29)
Capterra rating — —
Our score 7.8 8.1

Choose Arctic Wolf if…

You need mid-market orgs wanting a named concierge security team.

✓ Pros

  • Dedicated concierge team
  • Broad telemetry
  • Strong outcomes

✕ Cons

  • Higher cost
  • Quote/contract
  • Less DIY control

Arctic Wolf pricing · review

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

UnderDefense pricing · review

In depth

Pricing: UnderDefense vs Arctic Wolf

UnderDefense bills on a per endpoint model from $11/endpoint/mo (14 days trial), while Arctic Wolf 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. Arctic Wolf ships 5 (MDR with concierge team, Managed risk/vuln, 24/7 SOC, Log retention), deploying Cloud.

Ratings & verdict

UnderDefense holds 4.9/5 (~29 G2 reviews); Arctic Wolf holds 4.7/5 (~250 G2 reviews). On our data-weighted score, UnderDefense edges ahead (8.1 vs 7.8/10). Pick Arctic Wolf instead when mid-market orgs wanting a named concierge security team. See UnderDefense alternatives or Arctic Wolf alternatives.

Frequently asked questions

Arctic Wolf vs UnderDefense: which is better?
Arctic Wolf vs UnderDefense: on our data-weighted scoring, UnderDefense edges ahead (8.1 vs 7.8/10). Arctic Wolf starts at Custom quote and is best for mid-market orgs wanting a named concierge security team; 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 Arctic Wolf cheaper than UnderDefense?
Arctic Wolf 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: arcticwolf.com, underdefense.com. Figures are pulled from public vendor and security data and refreshed automatically.