Fidelis Security is a commercial extended detection and response solution by Fidelis Security. Kaspersky Next XDR Optimum is a commercial extended detection and response solution by Kaspersky. 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 for SMBs with endpoint protection, cloud sandbox & AD integration.
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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 and you are an enterprise.
Kaspersky Next XDR Optimum fits if you want a cloud product and you are a small business.
Common questions when comparing Fidelis Security vs Kaspersky Next XDR Optimum for extended detection and response.
Fidelis Security: XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities, built by Fidelis Security.
Kaspersky Next XDR Optimum: XDR platform for SMBs with endpoint protection, cloud sandbox & AD integration, built by Kaspersky.
The table above shows where their features, integrations, deployment and company size fit differ.
Fidelis Security is made by Fidelis Security. Kaspersky Next XDR Optimum is made by Kaspersky. 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 Kaspersky Next XDR Optimum are both Extended Detection and Response products, and both cover Active Directory. 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 2026-11-01
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