"National Institute for Standards and
Technology" [NIST]
Net present value [NPV]
Net return
Netcat
Net-centric technologies
Netware
Network
Network address translation [NAT]

Network administrator
Network attached storage [NAS]
Network basic input/output system [NetBIOS]
Network hop
Network interface card [NIC]
Network news transfer protocol [NNTP]
Network segmentation
Network traffic analysis
Node
Noise

Nondisclosure agreement [NDA]
Nonintrusive monitoring
Nonrepudiable transaction
Nonrepudiation
Non-statistical sampling
Normalization
Numeric check