UnderDefense vs BlueVoyant: MDR comparison 2026
UnderDefense and BlueVoyant are both Pure-play MDRs that work with your existing tools. UnderDefense targets Mid-market and Enterprise organizations, while BlueVoyant serves Mid-market and Enterprise. UnderDefense includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 3 for BlueVoyant (Endpoint, Cloud, Identity).
Key differences at a glance
Full comparison
Which should you choose?
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)
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
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 UnderDefense and BlueVoyant?
UnderDefense is a Pure-play MDR that is technology-agnostic (works with your existing tools). BlueVoyant is a Pure-play MDR that is technology-agnostic (works with your existing tools). UnderDefense covers 5 attack surfaces in base pricing vs. 3 for BlueVoyant.
How do UnderDefense and BlueVoyant differ in response capabilities?
UnderDefense supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. BlueVoyant supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable.
How does UnderDefense pricing compare to BlueVoyant?
UnderDefense pricing: Starts at $11/device/month (vendor-published). BlueVoyant pricing: Not published. Contact for custom quote.. 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.. 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.
Should I choose UnderDefense or BlueVoyant?
Choose UnderDefense if: mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing. Choose BlueVoyant if: mid-market and enterprise organizations already invested in Microsoft Sentinel and Defender wanting MDR without a proprietary agent. UnderDefense is not ideal for organizations that require independently validated detection metrics (MITRE, Forrester, etc.) before committing. 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.