Sophos vs Tenable Nessus: Complete Comparison (2026)
Choosing between Sophos and Tenable Nessus is a common decision for cybersecurity buyers in 2026. Sophos has been in the market since 1985, giving it a 17-year head start over Tenable Nessus (founded 2002). Sophos serves 600K+ orgs users while Tenable Nessus has 43K+ orgs users globally. Sophos differentiates with endpoint protection and firewall, while Tenable Nessus leads with vulnerability scanning and compliance checks. In this head-to-head comparison, Tenable Nessus 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 Sophos and Tenable Nessus across features, pricing, and user satisfaction, Tenable Nessus takes the lead with a score of 90/100 versus Sophos's 88/100. Tenable Nessus's key advantages include "industry standard vulnerability scanner" and "comprehensive vulnerability database". That said, Sophos has its own strengths — particularly "synchronized security across products" — making it a viable alternative for specific use cases.
Neither Sophos nor Tenable Nessus offers a free plan. Sophos starts at $37.50/user/yr and Tenable Nessus at $2790/yr. For the investment, Sophos delivers endpoint protection and firewall, while Tenable Nessus provides vulnerability scanning and compliance checks.
Bottom line: Choose Sophos if you need smbs and mid-market companies wanting unified endpoint and network security. 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 and mid-market companies wanting unified endpoint and network security.
Security teams running regular vulnerability assessments across all IT assets.