What are the key differences between Nessus and Tenable.io?

Compare Nessus and Tenable.io side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Nessus and Tenable.io scored?

Nessus has an AI score of 8.67/10 and Tenable.io has an AI score of 8.12/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Nessus vs Tenable.io 2026 - Compared

Nessus

Tenable.io

WINNER Nessus

Nessus edges ahead with a score of 8.7/10 compared to 8.1/10 for Tenable.io. While both are highly rated in their respec...

emoji_events WINNER

Nessus

8.67 Great

Cybersecurity Get Nessus open_in_new

Tenable.io

8.12 Great

Cybersecurity Get Tenable.io open_in_new

Nessus Pricing not available

payments

Tenable.io From $250/mo Free plan available

psychology AI Verdict

Nessus edges ahead with a score of 8.7/10 compared to 8.1/10 for Tenable.io. While both are highly rated in their respective fields, Nessus demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Nessus

verified Confidence: Low

Ready to decide? Get Nessus arrow_forward

description Overview

Nessus

Developed by Tenable, Nessus scans systems and networks for known security weaknesses. Its checks can identify outdated software and insecure configuration settings, giving administrators evidence to guide remediation. Web servers and related services can form part of an assessment, but its scope extends beyond web pages to the hosts and network services supporting an organization. Vulnerability a...

Tenable.io

Tenable.io is the industry-leading platform for vulnerability management, built on the powerful Nessus technology. It provides unparalleled visibility into the modern attack surface, including IT, OT, and cloud environments. By leveraging the Vulnerability Priority Rating (VPR), it helps teams focus on the vulnerabilities that matter most. Its extensive plugin library and deep integration with thi...