Intruder vs Nucleus Security: Vulnerability Management Comparison (2026)

An independent side-by-side comparison of Intruder and Nucleus Security for vulnerability management 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 vulnerability management questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.

ChatGPT
Intruder: tracking…
Nucleus Security: tracking…
Perplexity
Intruder: tracking…
Nucleus Security: tracking…
Gemini
Intruder: tracking…
Nucleus Security: tracking…
Claude
Intruder: tracking…
Nucleus Security: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

Intruder
Starting price
Free tier
intruder.io
Nucleus Security
Starting price
Free tier
nucleussec.com

Key Features

Intruder

Feature data is being indexed.

Nucleus Security

Feature data is being indexed.

When to choose Intruder

Choose Intruder if your team prioritizes its strengths over Nucleus Security's. Full guidance populates as Intruder's feature data is indexed.

When to choose Nucleus Security

Choose Nucleus Security if your team prioritizes its strengths over Intruder's. Full guidance populates as Nucleus Security's feature data is indexed.

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