CompTIA: Advanced Security Practitioner (CASP) Exam Prep

Answer: D - Hardening is the process of improving the security of an operating system, application, or network.

Key Takeaway: Hardening is the process of improving security and reducing the susceptibility to attack. Reducing known routes of attack typically includes the removal of unnecessary software, unnecessary usernames or logins, and the disabling or removal of unnecessary services. Eliminating the use of unneeded protocols is also a good method of hardening a system or network.