Choosing between Keeper Security and Tenable Nessus is a common decision for cybersecurity buyers in 2026. Tenable Nessus has been in the market since 2002, giving it a 7-year head start over Keeper Security (founded 2009). Keeper Security serves 400K+ orgs users while Tenable Nessus has 43K+ orgs users globally. Keeper Security differentiates with password vault and secrets manager, while Tenable Nessus leads with vulnerability scanning and compliance checks. In this head-to-head comparison, Keeper Security earns a higher hiltonsoftware.co score of 92/100 — but the right choice depends on your specific needs, budget, and team size.
AI Verdict
After comparing Keeper Security and Tenable Nessus across features, pricing, and user satisfaction, Keeper Security takes the lead with a score of 92/100 versus Tenable Nessus's 90/100. Keeper Security's key advantages include "strong enterprise governance" and "excellent compliance features". That said, Tenable Nessus has its own strengths — particularly "industry standard vulnerability scanner" — making it a viable alternative for specific use cases.
Neither Keeper Security nor Tenable Nessus offers a free plan. Keeper Security starts at $4/user/mo and Tenable Nessus at $2790/yr. For the investment, Keeper Security delivers password vault and secrets manager, while Tenable Nessus provides vulnerability scanning and compliance checks.
Bottom line: Choose Keeper Security if you need enterprises needing password management with privileged access controls. Go with Tenable Nessus if your priority is security teams running regular vulnerability assessments across all it assets. Both are strong cybersecurity tools — we recommend trying a trial of each before committing.
CHOOSE KEEPER SECURITY IF:
Enterprises needing password management with privileged access controls.
CHOOSE TENABLE NESSUS IF:
Security teams running regular vulnerability assessments across all IT assets.
Frequently Asked Questions
Is Keeper Security better than Tenable Nessus in 2026?
Keeper Security scores 92/100 on hiltonsoftware.co compared to Tenable Nessus's 90/100. Keeper Security stands out for "strong enterprise governance" and is best for Enterprises needing password management with privileged access controls. Tenable Nessus is known for "industry standard vulnerability scanner" and suits Security teams running regular vulnerability assessments across all IT assets. Your specific workflow and team size should guide the decision.
What is the pricing difference between Keeper Security and Tenable Nessus?
Both offer paid-only plans. Keeper Security starts at $4/user/mo and Tenable Nessus at $2790/yr. When comparing value, consider that Keeper Security (founded 2009, 400K+ orgs users) includes features like Password vault, Secrets manager, Privileged access. Tenable Nessus (founded 2002, 43K+ orgs users) offers Vulnerability scanning, Compliance checks, Asset discovery. The right choice depends on which features matter most to your team.
What are the main differences between Keeper Security and Tenable Nessus?
The key differences come down to focus and approach. Keeper Security excels at Password vault, Secrets manager, Privileged access, while Tenable Nessus focuses on Vulnerability scanning, Compliance checks, Asset discovery. Keeper Security's main advantage is "strong enterprise governance", though some users note "less intuitive than 1password". Tenable Nessus's strength is "industry standard vulnerability scanner", but "expensive for small teams" can be a drawback. Both serve the Cybersecurity market but target different user profiles.
Can I switch from Keeper Security to Tenable Nessus?
Switching between Keeper Security and Tenable Nessus is possible since both operate in the Cybersecurity space. Before migrating, export your data from Keeper Security and check Tenable Nessus's import capabilities. Key features to verify compatibility: Password vault, Secrets manager, Privileged access (Keeper Security) vs Vulnerability scanning, Compliance checks, Asset discovery (Tenable Nessus). Consider running both tools in parallel during a trial period to ensure a smooth transition.
Which is better for small teams: Keeper Security or Tenable Nessus?
Both tools require paid subscriptions (Keeper Security: $4/user/mo, Tenable Nessus: $2790/yr), so evaluate based on features. Keeper Security is ideal for Enterprises needing password management with privileged access controls, while Tenable Nessus fits Security teams running regular vulnerability assessments across all IT assets. Try both during their trial periods to see which fits your team's workflow.