Terms that start with K

an advanced method of authenticating service requests in computer networks. It helps both a client and server to verify identity.

The central component of an operating system. The term is more commonly used in Unix and Linux systems.

a variable that is applied with a specific algorithm to encrypt unprotected data. The length of a key usually determines how difficult the process of decryption will be.

the enforcement of message authentication and various encryption methods. The purpose is to provide privacy for various services communicating on the internet.

A program that intercepts data from a sender and the intended recipient. A keylogger functions very similar to a Trojan.