Glossary
Welcome to the Glossary! Whether you're already familiar with some of these terms or you're just becoming acquainted, our top-level glossary is a great resource for learning all of the relevant goods. Scroll through the full list below, search by term, or select by individual letter.
KBA
Short for Knowledge-based Authentication. KBA is a security measure that identifies end users by asking them to answer specific security questions. It is used in order to verify a user’s identity and provide accurate authorization for online and digital activities.
Kernel
A computer program that is the core of a computer's operating system. It has complete control over everything in the system.