You work as a security manager in Mariotiss Inc. Your enterprise has been facing network and
software security threats since a few months. You want to renew your current security policies
and management to enhance the safety of your information systems. Which of the following is the
best practice to initiate the renewal process from the lowest level with the least managerial effort?

A.
Change the entire security policy.

B.
Switch to a new network infrastructure.

C.
Start the Incident handling process.

D.
Perform an IT audit.

Explanation: