Mandiant vs ReliaQuest: MDR Comparison 2026
Mandiant (Services firm) and ReliaQuest (Pure-play MDR) take different approaches to managed detection and response. Mandiant works with your existing tools, while ReliaQuest works with your existing tools. Mandiant targets Mid-market and Enterprise organizations; ReliaQuest focuses on Mid-market and Enterprise. Mandiant includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 6 for ReliaQuest (Endpoint, Cloud, SaaS, Identity, Network, OT/ICS).
Key Differences at a Glance
Winner by Category
Mandiant vs ReliaQuest: Which Should You Choose?
Choose Mandiant if:
- •Enterprise organizations wanting elite threat intelligence integrated directly into MDR operations
- •Google Cloud Platform customers wanting native SecOps integration
- •Organizations facing nation-state or advanced persistent threats where Mandiant's frontline IR experience is critical
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
Bottom line: Mandiant (Services firm) and ReliaQuest (Pure-play MDR) serve different buyer profiles. Your decision depends on whether you prioritize Mandiant's threat intelligence-driven mdr backed by 500+ intel analysts, frontline ir experience, and google... or ReliaQuest's strong fit for enterprises wanting to unify and automate across their existing multi-vendor secur....
Frequently Asked Questions
What is the main difference between Mandiant and ReliaQuest?
Mandiant is a Services firm that is technology-agnostic (works with your existing tools). ReliaQuest is a Pure-play MDR that is technology-agnostic (works with your existing tools). SLA commitments differ: Mandiant offers Not disclosed, ReliaQuest offers ≤15 minutes. Mandiant covers 5 attack surfaces in base pricing vs. 6 for ReliaQuest.
How do Mandiant and ReliaQuest differ in response capabilities?
Mandiant supports 2 autonomous actions (endpoint isolation, custom playbooks) and approval is configurable. ReliaQuest supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. Incident response is not included with Mandiant and included with ReliaQuest.
How does Mandiant pricing compare to ReliaQuest?
Mandiant pricing: Estimated ~$83,000/year (third-party estimate from Vendr, not officially published).. ReliaQuest pricing: $172,500 average annual; up to $1,200,000 for large deployments. $5,000 per additional integrated technology.. Watch for with Mandiant: ~$83K+/year estimated — premium enterprise pricing; IR retainer is separate — must be purchased independently for full incident response. Watch for with ReliaQuest: High minimum contract value (enterprise-focused); Additional technology integrations add cost quickly.
Should I choose Mandiant or ReliaQuest?
Choose Mandiant if: enterprise organizations wanting elite threat intelligence integrated directly into MDR operations. Choose ReliaQuest if: large enterprises with complex multi-vendor security stacks. Mandiant is not ideal for sMBs or budget-constrained organizations — ~$83K+/year estimated pricing. ReliaQuest is not ideal for sMBs with limited security budgets.