Four basic tips that will help you start your hardening project.

CalCom Hardening Solution (CHS) is a server hardening automation solution (for Windown & Linux servers) designed to reduce operational costs and increase the server's security and compliance posture. CHS eliminates outages and reduces hardening costs by indicating the impact of a security hardening change on the production services. It ensures a resilient, constantly hardened and monitored server environment.

4 main challenges you'll need to confront when approaching server hardening.