UnderDefense Alternatives (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
The top alternatives to UnderDefense are Huntress, Elastic Security, Blumira. Huntress is the closest like-for-like option (4.9/5 (~700 G2 reviews), from Custom quote). People typically switch from UnderDefense over pricing model, complexity, or a missing capability — the table compares each alternative on exactly those axes.
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Best for MSPs and SMBs wanting affordable managed detection with a real human SOC.
- Managed EDR with 24/7 SOC
- Microsoft 365 ITDR
- Security awareness training
Free trial Free version -
Best for Teams wanting an open, search-powered SIEM with consumption pricing and no per-endpoint fees.
- Search-powered SIEM + analytics
- Built-in EDR + cloud security
- Prebuilt detection rules + MITRE ATT&CK
Free trial Free version -
Best for Lean IT teams wanting easy SIEM + detection with a free tier.
- Cloud SIEM
- Automated detections + playbooks
- 24/7 SecOps support
Free trial Free version - 4
Microsoft Sentinel
Visit Microsoft Sentinel → From $4.3/GB ingested (PAYG, East US) UnderDefense vs Microsoft Sentinel →Best for Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration.
- Cloud-native SIEM + SOAR
- Native Entra ID + Defender + M365 connectors
- KQL hunting + analytics rules
Free trial Free version - 5
Splunk Enterprise Security
Best for Large enterprises needing deep, mature SIEM with extensive integrations and log analytics.
- Industry-leading SPL search + analytics
- Risk-based alerting + correlation
- 2
Free trial Free version -
Best for Mid-market orgs wanting a named concierge security team.
- MDR with concierge team
- Managed risk/vuln
- 24/7 SOC
Free trial Free version -
Best for MSPs wanting a modular security platform (SASE + EDR + MDR).
- Single-agent platform
- SASE/SSE networking
- EDR + MXDR
Free trial Free version
More alternatives detail
Best Alternatives to UnderDefense
| Alternative | Best For | Deployment | Pricing Model | Our Score | Why Teams Switch |
|---|---|---|---|---|---|
| Huntress | MSPs and SMBs | Cloud | Per-endpoint (quote) | 8.6 | Larger G2 community (700 reviews), exceptional human SOC, built for MSPs, faster time-to-value |
| Arctic Wolf | Mid-market | Cloud | Quote | 7.8 | Named concierge team, broader telemetry, strong outcomes for enterprises willing to pay premium |
| Blumira | Lean IT teams | Cloud | Per-user (quote) / Free tier | 8.1 | Free SIEM tier for Microsoft 365, easier setup, lower barrier to entry than UnderDefense |
| Blackpoint Cyber | MSPs | Cloud | Quote | 7.6 | Aggressive active response, MSP-first design, faster containment than overlay models |
| Todyl | MSPs | Cloud | Quote | 7.7 | Single-agent consolidation (SASE + EDR + MDR + SIEM), reduces tool sprawl |
| Sophos MDR | Sophos customers | Cloud | Quote | 7.7 | Works with third-party telemetry, integrates with existing Sophos stack |
| Rapid7 MDR | Enterprise | Cloud | Quote | 7.3 | Strong InsightIDR SIEM foundation, custom detection capabilities |
Why Teams Leave UnderDefense
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G2 volume gap — With only 29 reviews, UnderDefense lacks the community validation of Huntress (700+) or Arctic Wolf (250+).
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Pricing transparency gap — Most alternatives publish per-endpoint pricing or offer free tiers. UnderDefense’s $11 floor is competitive, but Standard/Enhanced/Professional tiers are all contact-sales, creating friction.
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Full-stack vs. overlay trade-off — Teams wanting a unified agent (Todyl, Blumira) or MSP-optimized platform (Huntress, Blackpoint) may find UnderDefense’s “runs on your SIEM/XDR” model too dependent on existing infrastructure.
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Free or freemium options — Blumira offers a free SIEM tier; UnderDefense has no free option, only a 14-day trial.
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Channel/MSP preference — Blackpoint and Huntress dominate the MSP market; Todyl appeals to platforms wanting modular consolidation.
Bottom line: UnderDefense excels for teams with mature SIEM/XDR stacks seeking an AI overlay. Teams seeking affordability, ease-of-use, or a turnkey platform often prefer Huntress or Blumira.
Frequently asked questions
- What is the best alternative to UnderDefense?
- Huntress is the top-rated alternative in our data-weighted ranking (from Custom quote).
- Why do people switch from UnderDefense?
- Usually pricing model, complexity, or a missing capability. The table compares each alternative on exactly those axes.