ReliaQuest

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Read 40 ReliaQuest reviews and testimonials from customers, explore 14 case studies and customer success stories, and watch 12 customer videos to see why companies chose ReliaQuest as their XDR Software

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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  • 40 Testimonials View
  • 14 Case Studies View
  • 12 Customer Videos View
Customer Rating Review Score based on 1370 reference ratings
4.8/5.0 (1370)
  • Spring 2026 Top Performer Managed Detection and Response Software

More from ReliaQuest

Featured Testimonials

  • "As our security partner, ReliaQuest has provided knowledge on different SIEM technologies and provided cloud focused security expertise."

  • "GreyMatter provides visibility into our entire environment and tech landscape – from endpoints to the cloud and more. We can understand gap areas which require additional focus or buildout of …

  • "GreyMatter provides us that integrated platform, leveraging what we’ve already invested in and built process around, and making it more reliable, more usable, with content that’s working to reduce our …

Featured Case Studies

  • The Auto Club Group force multiplies security operations through partnership with ReliaQuest

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

  • University of Kansas Health System Grows Visibility by 98% with GreyMatter

Featured Customer Videos

  • Signature Aviation - Customer Success Story (James Lowry - Director of Cybersecurity)
  • Recognise Bank - Customer Success Story (Ashley Venn - Head of Information Security)
  • Gossamer Bio - Customer Success Story (Lisel Newton - Senior Director of Information Security, Risk & Compliance)

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 14 businesses that use ReliaQuest.

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