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

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

How are Symantec and Tenable.io scored?

Symantec has an AI score of 5.5/10 and Tenable.io has an AI score of 10.0/10. Scores are based on features, user satisfaction, and overall quality analysis.

Symantec vs Tenable.io 2026 — Compared

Symantec

Tenable.io

WINNER Tenable.io

Tenable.io edges ahead with a score of 10.0/10 compared to 5.5/10 for Symantec. While both are highly rated in their res...

Symantec

5.5 Average

Antivirus Get Symantec open_in_new

emoji_events WINNER

Tenable.io

10.0 Brilliant

Antivirus Get Tenable.io open_in_new

Symantec From $50/mo

payments

Tenable.io From $250/mo Free plan available

psychology AI Verdict

Tenable.io edges ahead with a score of 10.0/10 compared to 5.5/10 for Symantec. While both are highly rated in their respective fields, Tenable.io demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Tenable.io

verified Confidence: Low

Ready to decide? Get Tenable.io arrow_forward

description Overview

Symantec

Symantec was once the dominant force in the SSL market, but their certificate business was acquired by DigiCert in 2017 following trust issues with their issuance practices. While many legacy sites still use Symantec-branded certificates, they are no longer a primary provider for new customers. We include them here for historical context, but we strongly recommend choosing a modern provider like D...

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...