Kaspersky Next XDR Optimum is a commercial extended detection and response solution by Kaspersky. Microsoft Defender XDR is a commercial extended detection and response solution by Microsoft. Features, integrations, deployment and the company behind each one, side by side.
XDR platform for SMBs with endpoint protection, cloud sandbox & AD integration.
XDR solution for unified detection and response across Microsoft 365
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Microsoft Defender XDR fits if you are an enterprise.
Common questions when comparing Kaspersky Next XDR Optimum vs Microsoft Defender XDR for extended detection and response.
Kaspersky Next XDR Optimum: XDR platform for SMBs with endpoint protection, cloud sandbox & AD integration, built by Kaspersky.
Microsoft Defender XDR: XDR solution for unified detection and response across Microsoft 365, built by Microsoft.
The table above shows where their features, integrations, deployment and company size fit differ.
Kaspersky Next XDR Optimum is made by Kaspersky. Microsoft Defender XDR is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Kaspersky Next XDR Optimum and Microsoft Defender 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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