AirMDR vs Quorum Cyber: MDR comparison 2026
AirMDR is a AI-native MDR that works with your existing tools. Quorum Cyber is a Microsoft-ecosystem that requires its own security platform. AirMDR targets SMB and Mid-market organizations; Quorum Cyber serves SMB, Mid-market, and Enterprise. AirMDR includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 4 for Quorum Cyber (Endpoint, Cloud, SaaS, Identity).
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
- •You need Network coverage included in base pricing
- •You want direct Slack integration with your SOC
Choose Quorum Cyber if:
- •SMBs needing affordable 24/7 MDR via Clarity Defend, with a growth path to enterprise-grade Protect tier
- •Threat hunting included in base pricing (it's an add-on with AirMDR)
Bottom line: Quorum Cyber is the choice if you want a single-vendor stack with deep integration. AirMDR is better if you have existing tools and want flexibility.
Frequently asked questions
What is the main difference between AirMDR and Quorum Cyber?
AirMDR is an AI-native MDR that is technology-agnostic (works with your existing tools). Quorum Cyber is a Microsoft-ecosystem that is platform-native (requires their own security stack). AirMDR covers 5 attack surfaces in base pricing vs. 4 for Quorum Cyber.
How do AirMDR and Quorum Cyber 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. Quorum Cyber 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 Quorum Cyber?
AirMDR pricing: Custom-quoted pricing. Quorum Cyber pricing: Not published. Contact for custom quote.. 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 Quorum Cyber: Requires Microsoft licensing (E3/E5 or standalone Defender licenses) as a prerequisite. These costs are separate and can be significant.; Microsoft Sentinel consumption costs are usage-based and billed separately by Microsoft. Data ingestion charges can spike unpredictably..
Should I choose AirMDR or Quorum Cyber?
Choose AirMDR if: sMBs and mid-market companies (100-1000 employees) priced out of traditional MDR. Choose Quorum Cyber if: microsoft-committed organizations (E3/E5) wanting MDR built natively on Sentinel and Defender with data staying in their own Azure tenant. AirMDR is not ideal for enterprises requiring a proven vendor track record and extensive customer references. Quorum Cyber is not ideal for organizations running CrowdStrike, SentinelOne, or any non-Microsoft primary EDR. Quorum Cyber is Microsoft-only..