[hedgetrimmer]

But since when are the computers, files and loading equipment associated with managing our ports considered to be national security resources?

They can be when associated with biometrics, radio frequency identification ((RFID) and radiation sensor technology when used for port security.

[catpuppy]

... port security

A function of the United States Coast Guard.

The United States Coast Guard is a military, multi-mission, maritime service and one of the nation’s five Armed Services. Its mission is to protect the public, the environment, and U.S. economic interests – in the nation’s ports and waterways, along the coast, on international waters, or in any maritime region as required to support national security.

Semper Paratus