ReliaQuest is an AI cybersecurity company focused on enterprise security operations. Its GreyMatter platform helps security teams detect, contain, investigate, and respond to threats in minutes by applying agentic AI across the security lifecycle. The company positions GreyMatter as a way to move security operations from fragmented and reactive to more unified and proactive.
Rather than requiring customers to replace their existing tools, ReliaQuest is built around vendor-neutral integration and operational flexibility. GreyMatter works across cloud, hybrid, on-premises, and multicloud environments, normalizing telemetry, automating investigations and responses, and helping teams extend the value of their current security stack without forcing data centralization or tool standardization.
Offerings, Capabilities, and Integrations
ReliaQuest delivers capabilities across prevention, detection, investigation, containment, and response. Its offering includes AI-driven investigation support, security data normalization, at-source and in-transit detection, phishing analysis, exposure management, digital risk protection, workflow automation, and mobile incident response. The platform is designed to reduce manual effort in high-volume SecOps work while preserving visibility and control for customer teams.
Interoperability is central to the model. ReliaQuest supports broad integration across SIEM, EDR, identity, email, firewall, cloud, data, and operational technology environments, using bi-directional connections to search, correlate, and take action across existing tools. The platform is built for heterogeneous architectures, including multicloud and multi-SIEM environments, and is intended to let organizations strengthen operations without a rip-and-replace program.
Products and Services
- GreyMatter: ReliaQuest’s flagship agentic AI security operations platform for enterprise threat detection, containment, investigation, and response across existing security tools and environments.
- GreyMatter Agentic Teammates: Persona-based agentic AI systems that extend security analysts and engineers with autonomous work across alerts, detections, hunts, and investigations.
- Universal Translator: A patented normalization and correlation engine that unifies telemetry and queries across disparate tools, helping GreyMatter deliver shared context and cross-tool action.
- GreyMatter Workflows: Native no-code workflow automation for building business-specific response processes across security operations and connected collaboration tools.
- GreyMatter Transit: A security data pipeline capability that detects threats while telemetry is in motion, normalizes and filters data in real time, and routes it to the right storage or analytics destination.
- GreyMatter Phishing Analyzer: An AI-powered phishing defense capability that automates abuse mailbox analysis, remediation, campaign tracing, and user communications from one platform.
- GreyMatter Discover: An attack surface and exposure management capability built natively into GreyMatter to uncover assets and identities, prioritize exposures, and drive direct action.
- GreyMatter DRP: Digital risk protection that monitors the open, deep, and dark web for brand abuse, data leaks, impersonation attempts, and other external threats.
- GreyMatter Mobile App: A mobile application for urgent incident notifications, on-the-go investigation, collaboration, and faster response from iOS and Android devices.
- GreyMatter Detect: At-source detection capabilities that identify threats directly where data lives, helping reduce SIEM dependency, improve speed, and centralize detection management.
- GreyMatter Chat: An AI chat interface that lets security teams interact with GreyMatter in natural language to ask questions, investigate issues, and execute actions across their environment.
Target Customers
ReliaQuest targets enterprise security teams that operate complex, heterogeneous environments and need to improve outcomes without replacing their current stack. Its strongest fit is with organizations managing multiple security tools across cloud, on-premises, and hybrid estates, including teams working in multicloud, multi-SIEM, and mixed-vendor environments.
The company also aligns with organizations that need faster investigations, more consistent response workflows, stronger phishing and exposure management, and better visibility across both internal and external risk. Enterprises with converged IT and OT operations or broader digital transformation initiatives are a particularly relevant fit.
Cloud Integrations and Marketplace
- AWS Marketplace: ReliaQuest GreyMatter is available through AWS Marketplace, giving customers a marketplace procurement path for GreyMatter and related capabilities on AWS.
- Azure Marketplace: ReliaQuest has an Azure Marketplace listing for GreyMatter in Microsoft Sentinel environments, supporting greater visibility, automated threat detection, and faster response across Microsoft-centric deployments.
- Google Cloud: ReliaQuest partners with Google Cloud and integrates GreyMatter with Google Chronicle and Google Security Operations capabilities to support cloud-native detection, investigation, and response.
Key People
- Brian Murphy: Founder, Chief Executive Officer
- Colin O’Connor: President of Field Operations
- Brian Foster: President of Product and Technical Operations
- Scott Dussault: Chief Financial Officer
- Joe Partlow: Chief Technology Officer
- Regina Marrow: CIO and Executive Vice President of Operations
- Jason Pfeiffer: Chief Strategy Officer
- Laurie Morylak: Chief Marketing Officer
- Laura Tanner: Chief People Officer
- Jody Keeling: General Counsel
- Kim Hill: Chief of Staff and Head of Corporate Communications
- Mike McPherson: SVP of Technical Operations
Key Facts
- Headquarters: Tampa, Florida, United States
- Employees: 1,200+
- Annual Revenue: $300M+ annual recurring revenue
- Parent Company: None
- Subsidiaries: ReliaQuest Ireland Limited; ReliaQuest India Private Limited
- Publicly Listed: Private
Analyst Recognitions
- Gartner: 2026 Gartner Magic Quadrant for Cyberthreat Intelligence Technologies: Visionary.
- Forrester: The Proactive Security Platforms Landscape, Q1 2026: Recognized as a large proactive security platform. The External Threat Intelligence Service Providers Landscape, Q1 2026: Recognized among notable providers.
