Microsoft Forefront Threat Management Gateway is a comprehensive secure Web gateway that helps protect Web-using employees from threats on the Web with an enterprise-class Web proxy and anti-malware functionality. Forefront TMG helps ensure that encrypted Web sessions (SSL) are protected from threats. It also delivers simple, unified perimeter security to protect networks from attack by providing an integrated application and network-layer firewall, intrusion prevention, VPN connectivity, and management of e-mail security. It enables you to easily maximize existing information technology (IT) investments by improving network security and performance. The newly added protection technologies will help you inspect e-mail traffic for spam and malware and enforce content policy compliance in your organization. Furthermore, Forefront TMG protects the organization from zero-day-attacks, and inspects outbound HTTP and HTTPS traffic to improve Internet security for your organization.