| Term | Description |
| malware | Malware (malicious software) is a general term that describes any type of software used to disrupt computer systems, show unwanted advertising, or gather sensitive informaiton. Malware it typically installed covertly on a victim's computer, and can remain stealthy if intended to steal information or spy on a user for an extended period without their knowledge (spyware). Other types of malware can cause harm, sabotage, or try to extort payment (ransomware). Related: trojan, ransomware |