• A

    Software that aims to gather information about a person without his/her knowledge, and that may send such information to another entity

  • B

    Legitimate software that allows companies to monitor and supervise the computers of their employees from a central location

  • C

    Software used to disrupt computer operation or gain access to private computer systems

  • D

    A computer program hidden within another seemingly harmless program that produces copies of itself and inserts them into another programs of files