Unified virus and spyware protection for business desktops, laptops, and server operating systems Built on the same highly successful Microsoft protection technology already used by millions of people worldwide, Forefront Client Security helps guard against emerging threats, such as spyware and rootkits, as well as traditional threats, such as viruses, worms, and Trojan horses. By delivering simplified administration through central management and providing critical visibility into threats and vulnerabilities, Forefront Client Security helps you protect your business with confidence and efficiency. Forefront Client Security integrates with your existing infrastructure software, such as Microsoft Active Directory, and complements other Microsoft security technologies for enhanced protection and greater control.