Fidelis Security is a commercial extended detection and response solution by Fidelis Security. Xcitium Extended Detection & Response (XDR) is a commercial extended detection and response solution by Xcitium. Features, integrations, deployment and the company behind each one, side by side.
XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities
XDR platform with 24x7 SOC, threat detection, and automated response
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Based on what each listing shows: deployment, company size, price and open source.
Fidelis Security fits if you need both cloud and on-premises options.
Xcitium Extended Detection & Response (XDR) fits if you want a cloud product and you are a small business.
Common questions when comparing Fidelis Security vs Xcitium Extended Detection & Response (XDR) for extended detection and response.
Fidelis Security: XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities. Built by Fidelis Security.
Xcitium Extended Detection & Response (XDR): XDR platform with 24x7 SOC, threat detection, and automated response. Built by Xcitium.
The table above shows where their features, integrations, deployment and company size fit differ.
Fidelis Security is made by Fidelis Security. Xcitium Extended Detection & Response (XDR) is made by Xcitium. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Fidelis Security and Xcitium Extended Detection & Response (XDR) are both Extended Detection and Response products. Use the table above to see where features, deployment and company size fit differ.
No Extended Detection and Response shortlist yet. This is the closest one.
Updated 2026-11-02
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