shouldiuse.io

VERDICT

Should I use UnderDefense?

MAXI Agentic AI SOC automates detection and investigation 24/7 — delivering complete context in 2 minutes so the team makes fast decisions, instead of data gathering. - underdefense.com

Depends. A credible fit for SMB/mid-market teams without a 24/7 SOC that need MDR plus compliance help on top of existing tools. Skip it if you want basic endpoint protection, self-serve pricing, or a large-vendor track record.

Confidence

Medium. Based on ~20 public sources: G2, Gartner, Clutch, Reddit, vendor pricing and case-study pages. Pricing figures partially truncated in sources.

Ratings

  • Value for money
  • Ease of useNo usability evidence in sources
  • Feature depth
  • Support quality
  • Security posture

Pricing

from $11 (reported range)

MDR / MAXI (Basic tier listed)

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed

Best for

  • Teams without a 24/7 SOC
  • SMBs facing SOC 2 or HIPAA audits
  • Companies with Sentinel/Rapid7 but no analysts

Not for

  • Solo founders wanting simple antivirus — way overkill
  • In-house SOCs that only need a SIEM
  • Buyers demanding public, self-serve pricing
  • Teams that distrust AI-driven alert triage

Gotchas - check before you buy

medium

Quote-based pricing; Clutch lists $5,000+ minimum project size — set budget before demo

medium

Review scores swing widely: 4.9 on G2, 3.9 on — read negatives first

medium

AI SOC trust is actively debated on Reddit; demand human-oversight guarantees in the contract

medium

Guess: MDR onboarding onto your stack takes weeks; clarify exit terms and data portability

Pros and cons

Pros

  • 4.9/5 across 37 G2 reviews
  • Users praise proactive support and 24/7 monitoring
  • Runs on top of your existing security stack
  • Handles SIEM tuning and T1–T2 triage for understaffed teams
  • Broad offering: MDR, AI SOC, compliance automation, incident response, pentesting

Cons

  • Small public review base: 37 G2, 14 Gartner reviews
  • Small vendor (~$1.6M revenue) — viability risk for multi-year contracts
  • Reddit practitioners openly debate trusting AI SOC automation
  • scores it 3.9/5 — far below its G2 rating
  • Pricing largely quote-based; third-party minimum project size $5,000+

Sources & method

Analyzed 9/20/2026 - 11 sources - No known vulnerabilities found in the sources reviewed.

official x2review x6security x1news x2

Key stats

  • Value for money: 4/5

    Rating

  • from $11 (reported range)

    Starting price

  • 11

    Sources

  • Analyzed

  • Value for money: 4/5. Called 'surprisingly affordable' in G2 review
  • Ease of use. No usability evidence in sources
  • Feature depth: 5/5. MDR, AI SOC, compliance, IR, pentesting
  • Support quality: 4/5. G2 users praise proactive 24/7 support
  • Security posture: 4/5. Publishes vuln research; no public incidents found
  • 4.9/5 G2 rating 37 reviews
  • from $11 Starting price reported MDR range, vendor page
  • 2017 Founded per company profiles
  • 66 Clutch reviews client service reviews

Pricing

MDR / MAXI (Basic tier listed)

from $11 (reported range)

  • Managed detection and response
  • Full scope priced by quote

Security

No known vulnerabilities found in the sources reviewed.

What users say

Reviews across G2, Clutch, and Gartner praise proactive 24/7 support and responsiveness, though scores vary by site.

“UnderDefense is surprisingly affordable”
G2 review, quoted on UnderDefense blog
“…UnderDefense to handle tuning and T1–T2 triage…”
Reddit, r/cybersecurity

Companies that use it

  • Betsson
  • US government organization
  • German healthcare leader
  • US IT leader
Full analysis

Based on ~20 public sources: G2, Gartner, Clutch, Reddit, vendor pricing and case-study pages. Pricing figures partially truncated in sources.

Credible AI SOC/MDR for teams without a 24/7 SOC; pricing is quote-based and review scores vary by site.

Methodology

Based on ~20 public sources: G2, Gartner, Clutch, Reddit, vendor pricing and case-study pages. Pricing figures partially truncated in sources.

Sources

  1. review
  2. review
  3. review
  4. review
  5. review
  6. review
  7. official
  8. official
  9. news
  10. news
  11. security

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