Compare

WinSentinel vs Nessus

Nessus scans and reports for $3,990/year. WinSentinel monitors continuously, fixes issues automatically, and costs nothing.

Install Free Join Pro Waitlist
Capability WinSentinel Nessus (Tenable)
ArchitectureAlways-on agentPeriodic scan (agentless)
Real-Time Monitoring✓ Continuous✗ Point-in-time scans
Auto-Remediation✓ One-click fix✗ Report only
Posture Score✓ 0–100CVSS-based (no overall score)
CI/CD Integration✓ GitHub Action✗ Enterprise workflow only
Security Hardening✓ 33 audit modulesVulnerability scanning focus
Windows-Native✓ Built for WindowsMulti-platform (generic)
Open Source✓ MIT✗ Proprietary
Setup Time30 seconds (dotnet tool)Enterprise deployment

Pricing Comparison

WinSentinel Free

$0/forever

All features, no limits, one machine. Full power.

Pro fleet: $29/25 nodes · $79/100 nodes

Nessus Professional

$3,990/year

Scan-based. No remediation. Per-IP pricing scales fast.

Nessus Expert: $5,990/yr

Stop paying thousands to read reports.

WinSentinel finds the issues AND fixes them. Free forever.

dotnet tool install --global WinSentinel.Cli