Microsoft Defender vs Cortex XDR: EDR / XDR Comparison (2026)
An independent side-by-side comparison of Microsoft Defender and Cortex XDR for edr / xdr buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each vendor is cited by major AI engines when real buyers ask edr / xdr questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.
Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.
Pricing
Key Features
Feature data is being indexed.
Feature data is being indexed.
When to choose Microsoft Defender
Choose Microsoft Defender if your team prioritizes its strengths over Cortex XDR's. Full guidance populates as Microsoft Defender's feature data is indexed.
When to choose Cortex XDR
Choose Cortex XDR if your team prioritizes its strengths over Microsoft Defender's. Full guidance populates as Cortex XDR's feature data is indexed.