Intelink

Definition
Intelink is

"an intelligence community intranet service that is used by DOD and 13 civilian agencies to coordinate and share intelligence information in a secure manner. Intelink operates over three security level TCP/IP-based networks. The Top Secret Intelink service operates over the JWICS backbone and consists of 121 hardware platforms and 198 virtual ( nondedicated) servers. The Secret Intelink service operates over the SIPRNET backbone and consists of 166 hardware platforms and 205 virtual servers. The Unclassified Intelink service consists of 36 servers and operates using the Internet and a dedicated backbone. Although Intelink is not directly dependent on the Internet for mission-critical information sharing, the Top Secret and Secret Intelink services use IP-based technologies deployed within the Internet. The use of this technology exposes Intelink to many of the same vulnerabilities as the Internet."