XYZ Enterprises has had many security issues over the past few months. You are a new hire and are now responsible for security at XYZ Enterprises. You have a moderate budget in which to purchase security solutions. XYZ has an older router-based firewall in place between the network and the outside world. There are 25 workstations and 4 servers on site running a free version of a software anti-virus. Employees must be able to access the Internet throughout the day and must have access to their email without any down time.