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 is cited by major AI engines when buyers ask edr / xdr questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Cortex XDR leads overall63% cited vs Microsoft Defender 0% across 60 probes.
ChatGPT
Microsoft Defender
0 / 6 probes
0%
Invisible
Cortex XDRLeads
4 / 6 probes
67%
Excellent
Perplexity
Microsoft Defender
0 / 6 probes
0%
Invisible
Cortex XDRLeads
5 / 6 probes
83%
Excellent
Gemini
Microsoft Defender
0 / 6 probes
0%
Invisible
Cortex XDRLeads
2 / 6 probes
33%
Good
Claude
Microsoft Defender
0 / 6 probes
0%
Invisible
Cortex XDRLeads
4 / 6 probes
67%
Excellent
Copilot
Microsoft Defender
0 / 6 probes
0%
Invisible
Cortex XDRLeads
4 / 6 probes
67%
Excellent
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Microsoft Defender
Starting price
Free tier
microsoft.com
Cortex XDR
Starting price
Free tier
paloaltonetworks.com

Key Features

Microsoft Defender

Feature data is being indexed.

Cortex XDR

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.

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