Cybersecurity is the practice of protecting computer systems, networks, and data from unauthorized access, theft, or damage. Cybersecurity technologies are used to identify and mitigate cyber threats, such as malware, phishing attacks, and data breaches. Popular cybersecurity platforms include McAfee, Norton, and Palo Alto Networks. Click here to read more An operating system (OS) is a software system that manages computer hardware and software resources and provides common services for computer programs. Examples of operating systems include Windows, macOS, and Linux.