Step 4. Setting up local security policies Implement the following policies on the system: Passwords must be changed every 30 days Each user is required to use at least eight unique passwords before they are allowed to use a password that they have previously used Copyright 2017. All rights reserved. 4 WNDX v1-0 Project 2017-0622 Any user logging into the system should be greeted with the following warning: "Warning: only authorized personnel is permitted to log on to this system." The username of the user who last logged on to the system should not be displayed on the logon screen