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Nessus - Cybersecurity
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Nessus

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description Nessus Overview

Nessus is an open-source vulnerability scanner that analyzes websites and applications for security weaknesses by simulating attacks and identifying potential vulnerabilities like outdated software or misconfigurations.

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What is Nessus?

Nessus is an open-source vulnerability scanner that analyzes websites and applications for security weaknesses by simulating attacks and identifying potential vulnerabilities like outdated software or misconfigurations.

How good is Nessus?
Nessus scores 8.81/10 (Great) on Lunoo, making it a well-rated option in the Cybersecurity category.
What are the best alternatives to Nessus?
See our alternatives page for Nessus for a ranked list with scores. Top alternatives include: Tenable.io, Sophos Intercept X, IBM QRadar Intelligence Platform.
How does Nessus compare to Tenable.io?
See our detailed comparison of Nessus vs Tenable.io with scores, features, and an AI-powered verdict.
Is Nessus worth it in 2026?
With a score of 8.81/10, Nessus is highly rated in Cybersecurity. See all Cybersecurity ranked.

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