Communications Security
Communications security forms an essential part of counterintelligence, preventing an adversary to intercept sensitive information that is transmitted, especially through free space, but also through wired networks capable of being wiretapped. It includes several disciplines, both including those for protecting the hostile acquisition of information either from the patterns of flow of messages, or the content of messages (e.g., encryption. It also includes a number of disciplines that protect against the inadvertent emanation of unprotected information from communications systems.
Read more about this topic: Intelligence Cycle Security
Famous quotes containing the word security:
“Learned institutions ought to be favorite objects with every free people. They throw light over the public mind which is the best security against crafty and dangerous encroachments on the public liberty.”
—James Madison (1751–1836)