Lynis: Free Nessus Alternative Tool
Lynis is a security auditing and hardening tool for Linux-based systems. It may be the best alternative for Nessus Professional and other vulnerability/configuration scanning tools. Lynis is pre-installed on Kali Linux. It can be installed on Unix and Linux-based OS such as macOS, OpenBSD, Linux, OpenBSD, NetBSD, HP-UX, AIX, FreeBSD, and other similar operating systems.
Lynisl helps attain compliance with CIS benchmarks, NIST, NSA, OpenSCAP data, and vendor guides and recommendations (e.g., Debian Gentoo, Red Hat).
Download Link: https://github.com/CISOfy/lynis
Download by using Linux Terminal:
git clone https://github.com/CISOfy/lynis tar xzvf <lynis-tar> cd lynis sudo ./lynis -h
sudo apt install lynis
On Red Hat/CentOS
sudo yum install lynis
Run sample scan
#sudo lynis audit system
Compare with Nessus
Nessus is a full-featured vulnerability and compliance scanning tool. This tool is available both in the community edition (free) and the commercial version. Most of the effective features are only available on the commercial version of the tool. This tool scan hosts for services on the network and discovers vulnerabilities. Click Here to know the Top 5 Vulnerability Assessment Tools to Identify Problems in IT Infrastructure.
Benefits of Lynis
- host-based scan (in-depth)
- maintained by a big community
- supports different Linux-based OS
- Less risk of crashing the target host compare to other tools
Lynis is an open-source and effective tool for finding vulnerabilities and configuration-related issues. This tool helps in achieving the security hardening of configuration. I must say to use it once on Unix and Linux-based hosts.
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Disclaimer: This tutorial is for educational purpose only. Individual is solely responsible for any illegal act.