Cisco XDR vs ReliaQuest GreyMatter: side-by-side comparison (2026)

Cisco XDR: XDR platform with AI-driven threat detection across network, endpoint, email, cloud. Built by Cisco.

ReliaQuest GreyMatter: Agentic AI security operations platform for autonomous threat investigation. Built by ReliaQuest.

The table above shows where their features, integrations, deployment and company size fit differ.

Cisco XDR is made by Cisco. ReliaQuest GreyMatter is made by ReliaQuest. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Cisco XDR and ReliaQuest GreyMatter are both Extended Detection and Response products. Use the table above to see where features, deployment and company size fit differ.