Hardening — Linux Server

The most critical step is ensuring all software is current to close known vulnerabilities.

Disable password-based authentication ( PasswordAuthentication no ) in favor of SSH key-pair authentication . Linux Server Hardening

Securing the primary remote entry point is vital for stopping automated brute-force attacks. The most critical step is ensuring all software

Follow the principle of least privilege to limit what users and services can do. Linux Server Hardening

Below is a structured write-up covering the essential stages of a Linux hardening project. 1. Update and Patch Management