ReliaQuest vs WithSecure: MDR Comparison 2026
ReliaQuest (Pure-play MDR) and WithSecure (EDR vendor) take different approaches to managed detection and response. ReliaQuest works with your existing tools, while WithSecure requires its own security platform. ReliaQuest targets Mid-market and Enterprise organizations; WithSecure focuses on SMB, Mid-market, and Enterprise. ReliaQuest includes 6 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network, OT/ICS), compared to 5 for WithSecure (Endpoint, Cloud, SaaS, Identity, Network).
Key Differences at a Glance
Winner by Category
ReliaQuest vs WithSecure: Which Should You Choose?
Choose ReliaQuest if:
- •Large enterprises with complex multi-vendor security stacks
- •Organizations wanting to keep existing SIEM/EDR investments
- •Security teams needing AI-driven automation at scale
- •You need OT/ICS coverage included in base pricing
- •You want direct Slack integration with your SOC
Choose WithSecure if:
- •European mid-market organizations prioritizing EU data residency, GDPR, NIS2, and DORA compliance
- •Companies wanting a single-vendor platform (EPP + EDR + XDR + MDR) with included IR
- •Organizations needing NCSC CIR Level 1 assured incident response (UK/EU government-adjacent)
Bottom line: WithSecure is the choice if you want a single-vendor stack with deep integration. ReliaQuest is better if you have existing tools and want flexibility.
Frequently Asked Questions
What is the main difference between ReliaQuest and WithSecure?
ReliaQuest is a Pure-play MDR that is technology-agnostic (works with your existing tools). WithSecure is an EDR vendor that is platform-native (requires their own security stack). SLA commitments differ: ReliaQuest offers ≤15 minutes, WithSecure offers Not disclosed. ReliaQuest covers 6 attack surfaces in base pricing vs. 5 for WithSecure.
How do ReliaQuest and WithSecure differ in response capabilities?
ReliaQuest supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. WithSecure supports 5 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine) and approval is configurable.
How does ReliaQuest pricing compare to WithSecure?
ReliaQuest pricing: $172,500 average annual; up to $1,200,000 for large deployments. $5,000 per additional integrated technology.. WithSecure pricing: Not publicly disclosed. Custom quotes required. Described as 'competitively priced for mid-sized businesses.' ITPro rated pricing 5/5 stars.. Watch for with ReliaQuest: High minimum contract value (enterprise-focused); Additional technology integrations add cost quickly. Watch for with WithSecure: Platform lock-in — requires WithSecure Elements EDR (cannot use competing EDR); Modular pricing — full coverage across identity, cloud, SaaS, and exposure management adds cost.
Should I choose ReliaQuest or WithSecure?
Choose ReliaQuest if: large enterprises with complex multi-vendor security stacks. Choose WithSecure if: european mid-market organizations prioritizing EU data residency, GDPR, NIS2, and DORA compliance. ReliaQuest is not ideal for sMBs with limited security budgets. WithSecure is not ideal for uS-centric organizations wanting FedRAMP or deep US federal compliance.