Multi-factor authentication
A form of authentication in which a user is granted access only after providing two or more distinct credentials. The first form of authentication is often a password, the other...
Network slicing
As defined by NSA, a network slice is “an end-to-end logical network that provides specific network capabilities and characteristics to fit a user’s needs. Although multiple network slices run on...
Network telescope
A system that observes large-scale events taking place on the Internet by observing traffic in a portion of the deep Web.
Network Time Protocol attack
A kind of distributed denial-of-service attack in which query packets to an NTP server are generated at a high rate.
Next-Gen Firewall
“A firewall that goes beyond port/protocol inspection and blocking to add application-level inspection and intrusion prevention. Industry convergence has resulted in a next generation firewall being functionally equivalent to an...
Next-generation firewall
A next-generation firewall (NGFW) is a hardware- or software-based network security system that detects and blocks sophisticated attacks by enforcing security policies at the application level in addition to the...
North-South
Refers to network traffic between an IT environment and the public internet. Diagrams tend to show the internet above the IT environment.
Obfuscation
The practice of deliberately rendering software obscure, difficult to analyze and reverse engineer, and, above all, difficult to discern its actual function.