Trusted Network Connect

The TNC architecture was first introduced at the RSA Conference in 2005.^[4] TNC was originally a network access control standard with a goal of multi-vendor endpoint policy enforcement.^[5]

In 2009 TCG announced expanded specifications which extended the specifications to systems outside of the enterprise network.^[6] Additional uses for TNC which have been reported include Industrial Control System (ICS), SCADA security,^[7][8] and physical security.^[9]

Specifications introduced by the TNC Work Group:^[10]

• TNC Architecture for Interoperability
• IF-IMC - Integrity Measurement Collector Interface
• IF-IMV - Integrity Measurement Verifier Interface^[11]
• IF-TNCCS - Trusted Network Connect Client-Server Interface^[12]
• IF-M - Vendor-Specific IMC/IMV Messages Interface
• IF-T - Network Authorization Transport Interface^[13]
• IF-PEP - Policy Enforcement Point Interface^[14]
• IF-MAP - Metadata Access Point Interface
• CESP - Clientless Endpoint Support Profile
• Federated TNC^[6]

A partial list of vendors who have adopted TNC Standards:^[15]

Also, networking by

• Cisco
• HP
• Symantec
• Trapeze Networks
• Tofino

The U.S. Army has planned to use this technology to enhance the security of its computer networks.^[16]

The South Carolina Department of Probation, Parole, and Pardon Services has tested a TNC-SCAP integration combination in a pilot program.^[17]