Answer:
a. malware.
Step-by-step explanation:
Malware is a paragliding term used to describe any malicious program or code which is dangerous to devices.
Malware seeks to invade, harm, or disable systems, computers, networks, and mobile devices, often by partially controlling the operations of a device.
Although malicious software will not damage system or network device's physical hardware, it can steal, deactivate, or delete data, modify or derail key computer functionalities, on your computer without your permission or knowledge.