• Information about an individual that identifies, links, relates, or describes them.

A technique that attempts to trick a user into providing personal information. That personal information can then be used to access sensitive online resources, such as bank accounts and emails.

• The use of a program to record every keystroke made by a computer user in order to gain fraudulent access to passwords and other confidential information.

• Software intended to damage a computing system or to take partial control over its operation.

• A wireless access point that gives unauthorized access to secure networks.

• A process of encoding messages to keep them secret, so only "authorized" parties can read them.

• A process that reverses encryption, taking a secret message and reproducing the original plain text.

• Involves one key for both encryption and decryption.

• Pairs a public key for encryption and a private key for decryption. The sender does not need the receiver's private key to encrypt a message, but the receiver's private key is required to decrypt the message.

Protects a computing system against infection

A system that requires at least two steps to unlock protected information; each step adds a new layer of security that must be broken to gain unauthorized access