need to know - Primarily associated with organizations that assign clearance levels to all users and classification levels to all assets

need to know - A security principle stating that users should have access only to the information and resources necessary to complete their tasks that fulfill their roles within an organization. Need to know is commonly used in access control criteria by operating systems and applications.

need-to-know - Primarily associated with organizations that assign clearance levels to all users and classification levels to all assets

negative testing - This ensures the application can gracefully handle invalid input or unexpected user behavior.

network function virtualization - The objective of NFV is to decouple functions such as firewall management, intrusion detection, network address translation, or name service resolution away from specific hardware implementation into software solutions.

NFV - (Network Function Virtualization) - The objective of NFV is to decouple functions such as firewall management, intrusion detection, network address translation, or name service resolution away from specific hardware implementation into software solutions.

node - A system that is connected to a network.

non-repudiation - Inability to deny. In cryptography, a service that ensures the sender cannot deny a message was sent and the integrity of the message is intact, and the receiver cannot claim receiving a different message.

nonrepudiation - A service that ensures the sender cannot later falsely deny sending a message or taking an action.

null cipher - Hiding plaintext within other plaintext. A form of steganography.

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