Foreword Today, all companies, U.S. federal agencies, and nonprofit organizations have valuable data on their servers that must be secured. One of the challenges for information technology (IT) experts is learning how to use new products in a time-efficient manner so new implementations can go quickly and smoothly. Learning how to set up sophisticated products is time-consuming and can be confusing. GFI's LANguard Network Security Scanner can report vulnerabilities so they can be mitigated before unauthorized intruders wreak havoc on your network. To take advantage of the best things LANguard