Definitions should include

cyber system—a system of collaborating computational elements controlling physical entities
information technology— the development, implementation, and maintenance of computer hardware and software systems to organize and communicate information electronically
cyber security—the processes and mechanisms by which computer-based equipment, information, and services are protected from unintended or unauthorized access, change, or destruction, including protection from unplanned events and natural disasters
password—a basic security mechanism that consists of a secret phrase to restrict access to a system, application, or service
spam—unsolicited bulk electronic messages
copyright law and plagiarism—legal protections for the creator of information or original work, including plagiarism, the wrongful use of another person’s or entity’s original expressions or ideas, typically without crediting the originator
network computing—working within a system of connected devices or computers