Any software or program that comes in many forms and is designed to disrupt the normal operation of a computer by allowing an unauthorized process to occur or by granting unauthorized access is known as

Any software or program that comes in many forms and is designed to disrupt the normal operation of a computer by allowing an unauthorized process to occur or by granting unauthorized access is known as: Malicious code
Malicious code is often created to steal some information from another user without they realizing it, such as address, credit card number, social security number, email password, etc.

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