ReliaQuest

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Read 40 ReliaQuest reviews and testimonials from customers, explore 13 case studies and customer success stories, and watch 12 customer videos to see why companies chose ReliaQuest as their Managed Detection and Response

ReliaQuest is a global leader in Open XDR-as-a-Service, is the force multiplier for security operations teams. ReliaQuest GreyMatter, a cloud-native Open XDR platform brings together telemetry from any security and business solution—on-premises, in one or multiple clouds--to unify detection, investigation, response and resilience. ReliaQuest combines the power of technology and 24/7/365 security expertise to give organizations the visibility and coverage they require to make their cybersecurity program more effective.

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Customer Rating Review Scorebased on 855 reference ratings
4.8/5.0 (855)
  • Top Performer 2025 2025
    Spring 2025Top PerformerManaged Detection and Response Software

Featured Testimonials

  • "Before ReliaQuest, we lacked visibility and a unified view of threats. ReliaQuest helped us achieve quick response, tool efficacy, and data-driven results. Now we can focus on business growth without scaling our team."

  • "My team saved years of work and hundreds of thousands of dollars, thanks to GreyMatter’s turnkey rules, content, and best practices, coupled with the embedded playbooks—and all mapped back to MITRE frameworks."

  • "Having GreyMatter is becoming increasingly important – not only as a corporate service, but also as a M&A service. It allows us to see threats in places that we didn’t see before and consolidates all of that into one platform. This helps my organization really focus on the fidelity of the events and work on events, across the globe, that matter."

Featured Case Studies

  • Recognise Bank Achieves 74% Increase in Detection Coverage Overnight with ReliaQuest GreyMatter

  • A sure bet on security for hard rock international

  • Signature Aviation Contains Threats 20X Faster with ReliaQuest GreyMatter

Featured Customer Videos

Additional ReliaQuest Information & Resources

Read ReliaQuest Reviews, Testimonials & Customer References from 40 real ReliaQuest customers.

Browse ReliaQuest Case Studies, Customer Success Stories, & Customer References from 13 businesses that use ReliaQuest.

Watch ReliaQuest Customer Videos to learn why 12 businesses chose ReliaQuest.