A software program that moves through networks and operating systems (OS) by attaching themselves to different programs and databases is a: virus.
A virus refers to a malicious software program that is typically designed and developed to move through computer networks and the operating systems (OS) installed on a computer (host), specifically by attaching themselves to different software programs, links and databases.
This ultimately implies that, a virus is simply a malicious software program that has the ability to cause severe damage to a computer, databases and user files, if not detected on time and properly managed.
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