GFI is launching a freeware version of GFI LANguard Portable Storage Control (P.S.C.), its new network security product that can prevent unauthorized users from taking information from the network or introducing malware via USB (Universal Serial Bus) sticks and other removable media. The product also allows administrators to control the connection of devices that can register storage in Windows, such as iPods, smartphones, digital cameras and handhelds. GFI is offering a full version of GFI LANguard P.S.C. for five machines as freeware.