The word "mal" has its origin in Latin and means "bad" in English. "Ware", on the other hand, carries the meaning of "products". Hence, when we put these two together, we get the sense of having bad products or goods made with a bad intent.

As per NIST publication SP800-83, malware, also known as malicious code or malicious software, is meant to signify a program that is inserted (usually covertly) in a system with the intent of compromising or disrupting the confidentiality, integrity, or availability of the victim's data, applications, or operating system. Over the past few years, malware has emerged as an all encompassing term that includes all sorts of malicious programs, including viruses, worms, Trojans, rootkits, and so on.

Today, malware is considered the most significant external threat to computers and networks. Malware causes considerable losses to organizations in terms of the widespread damage caused, disruption of functioning, and huge recovery efforts required...