Through which network does the TA send the spreadsheet for NSS token applicants?

The Trusted Agent (TA) sends the spreadsheet for NSS (National Security System) token applicants over SIPRNet, which is the Secret Internet Protocol Router Network. SIPRNet is specifically designed for transmitting classified information, providing a secure communication environment for defense and intelligence operations.

Using SIPRNet ensures that sensitive data regarding NSS token applicants is safeguarded against unauthorized access and interception. This is critical in maintaining the integrity and confidentiality of the applicant's information. Given that NSS tokens are used to grant access to sensitive government networks and systems, it is essential that all associated data is handled in a secure manner.

Other networks, such as NIPRNet (Non-classified Internet Protocol Router Network), may not provide the necessary security for classified information, while the Internet is not a secure medium for transmitting sensitive data. A secure internal network, though potentially suitable, does not carry the same level of established protocols and security assurance that SIPRNet offers for classified communications. Therefore, the correct network for sending the spreadsheet is SIPRNet, ensuring compliance with PKI guidelines and protecting national security interests.