Tenable versus Qualys
Four times as many customers choose Tenable over Qualys.1
Why? The company’s vision, product leadership and technology roadmap. Tenable doesn’t just focus on software vulnerabilities impacting your IT assets. The Tenable One Exposure Management extends into cloud misconfigurations, operational technology (OT), identity systems, AI models and external assets.
Tenable One
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Why customers choose Tenable over Qualys
Coverage
Coverage and accuracy
As of March 2026, Tenable Research has published over 319K+ plugins covering over 116K CVEs, and we update and publish vulnerability coverage and zero-day research at tenable.com/plugins.
"We compared [Tenable and Qualys], and we realized the results were different. Tenable would find critical vulnerabilities while Qualys wouldn't."
Network security engineer at the Canadian retail company3
121K K
Vulnerabilities assessed with 331,000+ plugins
797
Vulnerabilities disclosed by Tenable Research
< 24 hrs
Median time for coverage of high profile issues
Vision
Vision beyond vulnerability management
Tenable has broadened its traditional vulnerability management strengths, adding: external attack surface management (EASM), cloud security, industrial OT security, AI and identity systems/Active Directory (AD) security. Tenable has the best coverage across the entire attack surface.
“When it came to operational technology …that's where Tenable won… When it comes to the cloud area, Tenable was by far the best solution of the finalists.”
Vulnerability management architect at the German manufacturing company2
Innovation
Vulnerability management innovation
Introduced in 2024, Vulnerability Intelligence offers granular intelligence on vulnerabilities, including tracking vulnerability history to see changes over time.
Exposure Response enables customers to uniquely track risk remediation with SLAs, instead of relying on cumulative risk scores. Tenable provides a single end-to-end workflow and takes a risk-based approach regardless of patch availability.
Services
Professional services, customer success and support
Tenable offers expert professional services.
Dedicated customer success team for each customer.
Tenable offers advanced levels of support to enterprises, including Premier and Elite support.
Compliance
Leader in compliance
Tenable is the leader in compliance with 12% more CIS benchmarks covered than Qualys.
Tenable has hundreds of frameworks and directives to help your organization stay secure and in compliance.
The best part? There is no extra charge.
“When we go into policies for cloud systems, that's where Tenable definitely shined. Throughout [the POC], they [Tenable] were able to find 25% more [than Qualys].”
Vulnerability management architect at the German manufacturing company6
167 K
total audit checks
42 K
unique audit checks
4,751
published audit checks
Compare Tenable to Qualys
Recognized as a leader in exposure management by industry analysts
Tenable is a Leader in the 2025 Gartner® Magic Quadrant™ for Exposure Assessment Platforms
Tenable named a leader in the IDC MarketScape Worldwide Exposure Management 2025 Vendor Assessment
Tenable One
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