Threat detection, investigation and response security leader unites with XDR Alliance members to transform security operations centers with an open XDR framework

ReliaQuest | Microsoft


FOSTER CITY, Calif., August 9, 2022 – The XDR Alliance™ today welcomed ReliaQuest as a new member. This is the latest cybersecurity innovator to join the alliance and express a commitment to an open, inclusive and collaborative extended detection and response (XDR) framework. ReliaQuest adds value to the XDR Alliance by offering threat detection, investigation and response (TDIR) services to any security and business solution. ReliaQuest GreyMatter delivers singular visibility across the enterprise ecosystem and unifies detection, investigation, and response to drive security effectiveness, and cyber resilience.

“We are pleased to welcome ReliaQuest to the XDR Alliance. Their expertise in integrating disparate technologies in end customers’ organizations and delivering TDIR services based on best-of-breed technology stacks will be key as the alliance embarks on defining a robust set of bi-directional APIs,” said Gorka Sadowski, founder of the XDR Alliance and Chief Strategy Officer, Exabeam. “We look forward to ReliaQuest’s contributions in helping the alliance solidify its role as a powerful force in the industry helping shape Open XDR.”
“At ReliaQuest, we’re committed to operationalizing security technologies and practices while empowering security analysts, so organizations have full visibility to innovate and grow with confidence. We believe it takes a true partnership to be resilient in the face of changing business requirements and a dynamic threat landscape,” said Brian Foster, Chief Product Officer, ReliaQuest. “We’re thrilled to join the XDR Alliance and to provide leadership that enables the right combination of technology, field-validated content and resource empowerment to improve visibility, lower complexity, and manage risk with the transparency and protection businesses deserve.”

XDR Alliance Charter
The charter of the XDR Alliance is to define and promote an open XDR framework and architecture that best works for end users; to help SecOps teams better integrate new and evolving applications and technologies; to make it easier to deliver on the value-add use cases that their organizations require; to ensure interoperability across the XDR security vendor solutions set; and to collaborate on XDR market education and awareness.

XDR Alliance members are representative of complementary technologies in security analytics, security information and event management (SIEM), endpoint, email, identity, cloud, network, and OT/IoT security and threat intelligence, collaborating to provide open XDR and threat detection, investigation, and response (TDIR). Alliance subcategories also include managed security service providers (MSSPs), managed detection and response services (MDRs) and systems integrators (SIs).

Founding and new members of the XDR Alliance include best-in-class cybersecurity leaders Armis, Banyax, CyberArk, Exabeam, Expel, ExtraHop, Google Cloud Security, Mimecast, Netskope, Recorded Future, ReliaQuest, SentinelOne, and VMware. The members of the XDR Alliance encourage cybersecurity and IT vendors to participate in the alliance for the continuous improvement of TDIR outcomes for security professionals everywhere. If your organization would like to apply, please visit the XDR Alliance member application page.

About XDR Alliance
The XDR Alliance™ is a partnership of best-in-class security and information technology providers organized to help security teams easily design and implement effective threat detection, investigation, and response (TDIR) capabilities using XDR. The mission of the alliance is to work in collaboration to make an open approach to XDR a reality for SecOps teams and help them effectively protect their organizations from adversarial behavior. Learn more at

About ReliaQuest
ReliaQuest, the force multiplier of security operations, increases visibility, reduces complexity, and manages risk with its cloud native security operations platform, GreyMatter. ReliaQuest’s GreyMatter is built on an open XDR architecture and delivered as a service anywhere in the world, anytime of the day, by bringing together telemetry from tools and applications across cloud, on-premises and hybrid cloud architectures. Hundreds of Fortune 1000 organizations trust ReliaQuest to operationalize security investments, ensuring teams focus on the right problems while closing visibility and capability gaps to proactively manage risk and accelerate initiatives for the business. ReliaQuest is a private company headquartered in Tampa, Fla., with multiple global locations. For more information, visit