AirMDR vs UnderDefense: MDR comparison 2026
AirMDR is a AI-native MDR that works with your existing tools. UnderDefense is a Pure-play MDR that works with your existing tools. AirMDR targets SMB and Mid-market organizations; UnderDefense serves Mid-market and Enterprise.
Key differences at a glance
Full comparison
Which should you choose?
Choose AirMDR if:
- •SMBs and mid-market companies (100-1000 employees) priced out of traditional MDR
- •Teams with existing EDR/SIEM tools who want AI-augmented triage without replacing their stack
- •Buyers comfortable betting on a seed-stage vendor in exchange for aggressive pricing and trial terms
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
- •Breach warranty matters to you (UnderDefense offers one, AirMDR does not)
- •Threat hunting included in base pricing (it's an add-on with AirMDR)
Bottom line: AirMDR (AI-native MDR) and UnderDefense (Pure-play MDR) serve different buyer profiles. Your decision depends on whether you prioritize AirMDR's ai-native architecture with 240+ integrations (vendor-claimed) and aggressive trial terms or UnderDefense's works on top of your existing stack and keeps data in your infrastructure.
Frequently asked questions
What is the main difference between AirMDR and UnderDefense?
AirMDR is an AI-native 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).
How do AirMDR and UnderDefense differ in response capabilities?
AirMDR 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 AirMDR pricing compare to UnderDefense?
AirMDR pricing: Custom-quoted pricing. UnderDefense pricing: Starts at $11/device/month (vendor-published). Watch for with AirMDR: No published pricing. Requires sales contact despite targeting SMBs who typically prefer self-serve.; Annual contract required. No month-to-month option mentioned.. 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 AirMDR or UnderDefense?
Choose AirMDR if: sMBs and mid-market companies (100-1000 employees) priced out of traditional MDR. Choose UnderDefense if: mid-market teams with existing EDR/SIEM that want MDR layered on top without ripping and replacing. AirMDR is not ideal for enterprises requiring a proven vendor track record and extensive customer references. UnderDefense is not ideal for organizations that require independently validated detection metrics (MITRE, Forrester, etc.) before committing.