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 Score based on 1157 reference ratings
4.8/5.0 (1157)
  • Spring 2026 Top Performer Managed Detection and Response Software
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Featured Testimonials

  • "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 …

    Financial Services Organization CISO

  • "We have an obligation to our members to provide the most secure environments we possibly can, and ReliaQuest helps us achieve our goals by acting as an extension of our …

    Cliff Van Scyoc Chief Technology Officer

  • "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 …

    Lisel Newton Senior Director of Information Security, Risk & Compliance
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Featured Case Studies

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

    Michael Meis Associate Chief Information Security Officer (CISO)

  • Florida Crystals Improves Efficiency of Security Operations by 122%

    Christine Vanderpool Chief Information Security Officer

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

    Gopal Padinjaruveettil Chief Information Security Officer
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Featured Customer Videos

  • How His Organization Uses Greymatter To Benchmark Their Performance Against Industry Peers
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    Damon Becknell Chief Information Security Officer
  • APi Group - Customer Success Story (Carl Lee - Information Security Lead)
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    Carl Lee Information Security Lead
  • Signature Aviation - Customer Success Story (James Lowry - Director of Cybersecurity)
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    James Lowry Director of Cybersecurity
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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.

FeaturedCustomers has 1,911,721+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.