Qualys vs Nucleus Security: Vulnerability Management Comparison (2026)
An independent side-by-side comparison of Qualys 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.
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 Qualys
Choose Qualys if your team prioritizes its strengths over Nucleus Security's. Full guidance populates as Qualys's feature data is indexed.
When to choose Nucleus Security
Choose Nucleus Security if your team prioritizes its strengths over Qualys's. Full guidance populates as Nucleus Security's feature data is indexed.