- Malware, short for malicious software, is any software used to disrupt computer operations, gather sensitive information, or gain access to private computer systems.
- 'Malware' is an umbrella term used to refer to a variety of forms of hostile or intrusive software, including computer viruses, worms, trojan horses, spyware, adware, scareware, and other malicious programs. It can take the form of executable code, scripts, active content, and other software.