ESET PROTECT vs Tenable Nessus: Complete Comparison (2026)
Choosing between ESET PROTECT and Tenable Nessus is a common decision for cybersecurity buyers in 2026. ESET PROTECT has been in the market since 1992, giving it a 10-year head start over Tenable Nessus (founded 2002). ESET PROTECT serves 400K+ orgs users while Tenable Nessus has 43K+ orgs users globally. ESET PROTECT differentiates with endpoint protection and cloud sandbox, while Tenable Nessus leads with vulnerability scanning and compliance checks. In this head-to-head comparison, ESET PROTECT earns a higher hiltonsoftware.co score of 90/100 — but the right choice depends on your specific needs, budget, and team size.
Quick Comparison
Feature-by-Feature Comparison
Pros & Cons at a Glance
After comparing ESET PROTECT and Tenable Nessus across features, pricing, and user satisfaction, ESET PROTECT takes the lead with a score of 90/100 versus Tenable Nessus's 90/100. ESET PROTECT's key advantages include "lightweight with low system impact" and "excellent detection rates". That said, Tenable Nessus has its own strengths — particularly "industry standard vulnerability scanner" — making it a viable alternative for specific use cases.
Neither ESET PROTECT nor Tenable Nessus offers a free plan. ESET PROTECT starts at $21/device/yr and Tenable Nessus at $2790/yr. For the investment, ESET PROTECT delivers endpoint protection and cloud sandbox, while Tenable Nessus provides vulnerability scanning and compliance checks.
Bottom line: Choose ESET PROTECT if you need smbs wanting lightweight, effective endpoint security with central management. 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.
SMBs wanting lightweight, effective endpoint security with central management.
Security teams running regular vulnerability assessments across all IT assets.