Encryption is a security method of coding or scrambling data so that it can be decoded or read only by authorized users. This is commonly used to secure websites, online purchases, and other transactions.
A type of computer file that when opened runs a program or series of instructions contained in the file. These types of files have the potential to be dangerous since they run code when opened, and are often used by cybercriminals to distribute viruses, malware, and spyware.
A piece of software that takes advantage of a bug, glitch, or design flaw in software in order to cause unintended or unanticipated behavior on computer software. This can include gaining control of a computer system, changing access privileges, or denying access or resources to users.