BlueVoyant vs UnderDefense: MDR comparison 2026
BlueVoyant and UnderDefense are both Pure-play MDRs that work with your existing tools. BlueVoyant targets Mid-market and Enterprise organizations, while UnderDefense serves Mid-market and Enterprise. BlueVoyant includes 3 attack surfaces in base pricing (Endpoint, Cloud, Identity), compared to 5 for UnderDefense (Endpoint, Cloud, SaaS, Identity, Network).
Key differences at a glance
Full comparison
Which should you choose?
Choose BlueVoyant if:
- •Organizations that want all detection rules, playbooks, and data to stay in their own SIEM instance
- •Splunk Enterprise or Splunk Cloud customers needing managed detection and response
Choose UnderDefense if:
- •Mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing
- •Budget-conscious buyers who value transparent per-device pricing and full data ownership on exit
- •Organizations comfortable with a smaller, newer vendor in exchange for flexibility and no lock-in
- •You need SaaS and Network coverage included in base pricing
- •Breach warranty matters to you (UnderDefense offers one, BlueVoyant does not)
Bottom line: UnderDefense offers broader coverage (5 surfaces vs. 3). BlueVoyant may suit teams that need depth over breadth.
Frequently asked questions
What is the main difference between BlueVoyant and UnderDefense?
BlueVoyant is a Pure-play MDR that is technology-agnostic (works with your existing tools). UnderDefense is a Pure-play MDR that is technology-agnostic (works with your existing tools). BlueVoyant covers 3 attack surfaces in base pricing vs. 5 for UnderDefense.
How do BlueVoyant and UnderDefense differ in response capabilities?
BlueVoyant supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. UnderDefense supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable.
How does BlueVoyant pricing compare to UnderDefense?
BlueVoyant pricing: Not published. Contact for custom quote.. UnderDefense pricing: Starts at $11/device/month (vendor-published). Watch for with BlueVoyant: Threat hunting is not included in base MDR. Advanced Threat Hunting and Cross Signal Hunting are add-on tiers with separate pricing; Coverage varies significantly by which MDR track you buy (Microsoft, Splunk, Cisco XDR, Endpoint). Identity and SaaS coverage may only be available in the Microsoft track. Watch for with UnderDefense: $11/device is a starting price for marketing. Actual cost varies by scope, and annual contract is required.; 3-year contract required for $1M breach warranty. Not available on 1-year deals..
Should I choose BlueVoyant or UnderDefense?
Choose BlueVoyant if: mid-market and enterprise organizations already invested in Microsoft Sentinel and Defender wanting MDR without a proprietary agent. Choose UnderDefense if: mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing. BlueVoyant is not ideal for organizations needing broad multi-vendor integration support. BlueVoyant supports four EDR platforms and two SIEMs, far fewer than competitors like Expel or eSentire. UnderDefense is not ideal for organizations that require independently validated detection metrics (MITRE, Forrester, etc.) before committing.