1. Introduction 1.1 Introduction to GFI LANguard GFI LANguard is a security scanning, network auditing and remediation application that enables you to scan and protect your network through: • Identification of system and network weaknesses using a comprehensive vulnerability check database, which includes tests, based on OVAL, CVE and SANS Top 20 vulnerability assessment guidelines. • Auditing of all hardware and software assets of your network, enabling you to create a detailed inventory of assets. This goes as far as enumerating installed applications as well as USB devices connected on your network. • Enabling automatic download and remote installation of service packs and patches for Microsoft operating systems and third party products as well as automatic un-installation of unauthorized software.