To effectively investigate compromises or security incidents it is necessary to have clocks synchronized to a common system (NTP – Network Time Protocol)
Install synchronizing software such as Netlab for Windows
Free Antivirus Software for Windows
All systems must run some antivirus software package.
Virus signature files must be kept current. At a minimum, update virus signature files weekly.
Use Update Agent to retrieve the latest software packages from Red Hat. Using this tool will allow you to always have the most up-to-date Red Hat Linux system with all security patches and bug fixes.
On the GNOME desktop, go to the Main Menu Button (on the Panel) > Programs > System > Update Agent
On the KDE desktop, go to the Main Menu Button (on the Panel) > Red Hat > Update Agent
Type the command “up2date” at a shell prompt (for example, an xterm or gnome-terminal)