ReliaQuest
Founded 2007 · 1,116 employees on LinkedIn · 7 known investors
GreyMatter is an agentic AI security operations platform that provides six AI-powered personas to augment security teams in investigation, threat intelligence, detection engineering, threat hunting, and infrastructure monitoring. The platform automates security alert investigation, analysis, and response across enterprise technology environments.
Founders & leadership
ReliaQuest was founded in 2007 by Brian Murphy.
BM

Brian MurphyinFounder
Investors · 7
Competitors · 10
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Splunk174 shared keywordsSplunk offers a unified platform for security and observability that ingests and analyzes large-scale data across hybrid cloud environments. Its tools support security operations centers with analytics and automated response, and help teams monitor application and infrastructure performance.
Cyble169 shared keywordsCyble provides threat intelligence and security solutions for organizations to protect against cyber threats across their attack surface. The company serves enterprises including Fortune 500 firms and government entities in the cybersecurity industry.
Red Canary166 shared keywordsAtomic Red Team is an open source, community-maintained library of small security tests mapped to the MITRE ATT&CK framework, letting security teams validate their ability to detect threats across Windows, macOS, Linux, and cloud environments. It is developed by Red Canary and includes tools such as the PowerShell-based Invoke-Atomic execution framework and Atomic Test Harnesses.
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Frequently asked questions
- What does ReliaQuest do?
- GreyMatter is an agentic AI security operations platform that provides six AI-powered personas to augment security teams in investigation, threat intelligence, detection engineering, threat hunting, and infrastructure monitoring. The platform automates security alert investigation, analysis, and response across enterprise technology environments.
- Who founded ReliaQuest?
- ReliaQuest was founded by Brian Murphy in 2007.
- Who are ReliaQuest's investors?
- ReliaQuest's investors include FTV Capital, Golub Growth, Gula Tech Adventures, Moonshots Capital, RPS Ventures, Storm Ventures, Ten Eleven.




