nessus

Install command: 
brew install --cask nessus

Name: Tenable Nessus

Vulnerability scanner

https://www.tenable.com/products/nessus

Cask JSON API: /api/cask/nessus.json

Cask code: nessus.rb on GitHub

Current version: 10.9.4

Requirements: macOS >= 10.15

The vendor offers a free license for nessus at:
    https://www.tenable.com/products/nessus/nessus-essentials

Analytics:

Installs (30 days)
nessus 57
Installs (90 days)
nessus 161
Installs (365 days)
nessus 641