Overview
What is Nessus?
Nessus is a complete and very useful network vulnerability scanner
In depth
A closer look at Nessus
Nessus is a complete and very useful network vulnerability scanner which includes high-speed checks for thousands of the most commonly updated vulnerabilities, a wide variety of scanning options, an easy-to-use interface, and effective reporting
Verdict
Should you download Nessus?
Nessus runs on
Windows 9X/ME/2K/XP/2003/Windows 10/11
and is available under the
Freeware
license
— the installer is 15 MB.
We’ve catalogued it under
Security and Access Control.
✓
Verified clean. Every Nessus build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Nessus specifications
- Last updated
- Nov 19, 2025
- License
- Freeware
- Operating system
- Windows 9X/ME/2K/XP/2003/Windows 10/11
- File size
- 15 MB
- Price
- Free
- Page views
- 510
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