Hardening refers to increasing the security (confidentiality, integrity, availability) by reducing the attack surface of:

  • πŸ–₯️ Workstations
  • πŸ›°οΈ Servers
  • 🌍 Network devices
  • πŸ“‚ Apps, tools and services
  • ...

Tasks to do are defined in guides provided by organizations such as CIS or ANSSI, while organizations can have their own guides.

Where can we find guides? πŸŽ“

Useful tools πŸ› οΈ

  • OpenSCAP: automatic scan and application of a compliance guide