Tenable vs KnowBe4
A detailed comparison to help you choose the right tool for your needs.
AAbout Tenable
Tenable provides a suite of vulnerability management and exposure assessment tools that help organizations discover, assess, and prioritize security weaknesses across their entire attack surface. Its flagship products — Tenable Nessus, Tenable.io (now Tenable Vulnerability Management), and Tenable.sc (SecurityCenter) — are widely used by security teams ranging from small businesses to large enterprises. The platform stands out for its extensive vulnerability plugin library, which is one of the largest in the industry, and its ability to cover IT assets, cloud environments, containers, OT/IoT devices, and Active Directory. Tenable is particularly well-regarded for helping teams move from reactive vulnerability scanning to proactive risk-based prioritization using its Vulnerability Priority Rating (VPR) system.
BAbout KnowBe4
KnowBe4 is a security awareness training platform that helps organizations reduce their vulnerability to social engineering attacks by educating employees. It offers a massive library of training content, simulated phishing campaigns, and detailed analytics to measure how well staff can identify threats. The platform is used by organizations of all sizes, from small businesses to large enterprises, across virtually every industry. What sets it apart is the sheer scale of its content library — thousands of training modules, videos, games, and templates — largely driven by the involvement of well-known hacker Kevin Mitnick as its former chief hacking officer. It's become one of the most widely adopted security awareness platforms globally.
Pricing Comparison
Feature Comparison
Choose Tenable
Tenable provides comprehensive cybersecurity solutions for vulnerability management.
Try Tenable FreeChoose KnowBe4
KnowBe4 offers security awareness training and simulated phishing attacks to reduce human risk.
Try KnowBe4 FreeNot sure which to pick?
Get a personalized recommendation in 10 seconds.
Score Comparison
Our Verdict
Your enterprise focuses on comprehensive vulnerability management across a diverse IT environment.
Your team values proactive training to reduce human risk through simulated phishing attacks.
Tenable vs KnowBe4: The Bottom Line
Both Tenable and KnowBe4 are strong cybersecurity tools, but they serve different needs. Tenable has a higher user rating (3.9 vs 3.8). On pricing, KnowBe4 is more affordable starting at $100/mo.
Still unsure? Check the full reviews for Tenable and KnowBe4, explore Tenable alternatives, or use our AI search to describe exactly what you need.
Frequently Asked Questions
Is Tenable or KnowBe4 better?
It depends on your needs. Tenable (3.9★) is from $150/mo, while KnowBe4 (3.8★) is from $100/mo. Tenable has a higher user rating.
Can I switch from Tenable to KnowBe4?
Yes. Most SaaS tools offer data export features. Check if KnowBe4 has a migration guide or import tool specifically for Tenable users. Many offer onboarding assistance for switchers.
Which is cheaper, Tenable or KnowBe4?
KnowBe4 starts at $100/mo, which is cheaper than Tenable at $150/mo.
What are the main differences between Tenable and KnowBe4?
Tenable focuses on continuous network vulnerability scanning and real-time threat intelligence integration, while KnowBe4 emphasizes interactive security awareness training modules and simulated phishing attack campaigns. Both are in the Cybersecurity category but serve slightly different use cases.