Advertising supported software that automatically displays advertising when used.
Software that detects and removes computer viruses and other malware.
Information that can be processed and stored by computer systems.
Process of recovering data from back-ups in the event of data corruption or deletion.
Transferring data from one computer or computer system to another.
Denial of Service attack – an attempt to make a machine or network unavailable to users. Often takes the form of hundreds of automated messages per second to overload web servers
Software or hardware with the function to screen out hackers, viruses, Trojans and worms.
Person who uses computers to gain unauthorised access to data.
Unique string of characters identifying any device on a TCP/IP network.
Any software specifically designed to disrupt, damage or expose a computer system. Examples of malware include viruses, ransomware, spyware etc.
A group of inter-connected computers and computer peripherals.
Computer device that is not part of the computer itself. Examples of peripheral device include mouse, keyboard, speakers, webcam.
Type of malware that disables a computer in some way and demands a ransom to restore access.
A computer or device on a network that manages network resources.
Software that tracks behaviour and key strokes on a computer and transmits that information to another entity. Often used to display advertising, can also capture user-ids and passwords as they are entered.
Transmission Control Protocol/Internet Protocol – the basic communication language of the Internet and Intranets.
Malicious code within an apparently benign program – can take control and/or do damage to the computer.
Small computer program or script that runs without user’s knowledge and can do damage such as deleting files. Often also replicates itself across the system.
Type of virus that replicates itself across networks. Doesn’t need a host program.