UnderDefense

UnderDefense

8.1/10 MSP Compared score 4.9★ · 29 reviews G2
From $11/endpoint/mo
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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

UnderDefense is a mdr xdr tool — from $11/endpoint/mo, rated 4.9/5 (~29 G2 reviews). Best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run.

How UnderDefense scores

Six criteria, each 0–10 on the same scale from review data, public pricing and feature coverage. Methodology →

Editorial 8.1
User reviews 9.8
Adoption 3.9
Affordability 4.1
Feature breadth 6.0
Ease of trial 6.0

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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.

UnderDefense vs the field

How UnderDefense compares to leading alternatives
UnderDefenseHuntressArctic 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

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 UnderDefense features

  • Agentic AI SOC overlay
  • Vendor-agnostic SIEM/XDR connectors
  • 24/7 concierge analysts
  • Co-managed SIEM
  • ChatOps via Slack/Teams
  • Incident response retainer

UnderDefense integrations

Notable native integrations and connectors UnderDefense supports.

  • Splunk
  • Elastic
  • CrowdStrike
  • SentinelOne
  • Okta
  • Microsoft 365
  • Slack
  • Microsoft Teams
  • Jira
  • ServiceNow
  • Sumo Logic

UnderDefense at a glance

UnderDefense is a mdr xdr tool — from $11/endpoint/mo, rated 4.9/5 (~29 G2 reviews). Best for teams that want an agentic AI SOC on top of the SIEM or XDR they already run.

More on UnderDefense

UnderDefense

Best for: Teams that want an agentic AI SOC on top of the SIEM or XDR they already run

Overview

UnderDefense is a vendor-agnostic AI-powered SOC overlay that operates on top of your existing security stack—whether that’s Splunk, Elastic, Microsoft Sentinel, or another platform. Rather than replacing your SIEM or XDR, it augments them with agentic AI and 24/7 analyst support.

Deployment & Pricing

AspectDetails
DeploymentCloud + on-prem
ModelPer-endpoint, annual contracts
Free trial14 days (~100 employees)
Starting price$11/endpoint/month (published floor)
Pricing pageunderdefense.com/mdr-pricing

Standard, Enhanced, and Professional tiers require contacting sales. The $11/endpoint figure is indicative and may exclude add-ons.

Features

  • Agentic AI SOC layer
  • Vendor-agnostic SIEM/XDR connectors
  • 24/7 concierge analysts
  • Co-managed SIEM option
  • ChatOps (Slack/Teams)
  • Incident response retainer

Strengths

  • Transparent baseline pricing — rare for managed AI SOC vendors
  • Stack-agnostic — integrates with your existing platform
  • Accessible 14-day trial

Weaknesses

  • Small G2 review volume (29 reviews) relative to competitors like Huntress or Arctic Wolf
  • Premium tiers hidden behind contact sales
  • Annual commitment required

Ratings

G2: 4.9/5 (29 reviews) — View reviews

Our score: 8.1/10

Verdict

A credible choice if you want to avoid rip-and-replace and layer AI-driven detection on existing infrastructure. Pricing transparency is a plus, but the limited review volume and contact-sales tiers may warrant deeper conversations before committing.

Frequently asked questions

How much does UnderDefense cost?
UnderDefense starts at $11/endpoint/mo. It's priced per endpoint. See the pricing page for every plan and limit.
Does UnderDefense have a free trial or free version?
UnderDefense offers a 14 days free trial, but no permanently free tier.
How is UnderDefense deployed?
UnderDefense is available as Cloud + on-prem.
Who is UnderDefense best for?
UnderDefense is best for Teams that want an agentic AI SOC on top of the SIEM or XDR they already run.
Is UnderDefense any good?
UnderDefense holds 4.9/5 across 29 reviews and scores 8.1/10 on our data-weighted ranking.
What are the best UnderDefense alternatives?
Top alternatives include Huntress, Arctic Wolf, Blackpoint Cyber. See the full alternatives list for pricing and scores.

Popular UnderDefense comparisons

See UnderDefense head-to-head with the alternatives MSPs shortlist most often.

Data as of September 1, 2026. Sources: underdefense.com, underdefense.com, g2.com. Figures are pulled from public vendor and security data and refreshed automatically.