Virus Definition In Computer Security

They are always induced by people.

Virus definition in computer security. Computer viruses never occur naturally. A computer virus is a malicious program script macro or code designed to damage steal personal information modify data send e mail display messages or a combination of these actions. A computer virus is a malicious program that self recreates by replicating itself to another program. When this replication succeeds the affected areas are then said to be infected with a computer virus.

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself. Like other types of malware a virus is deployed by. A computer virus is defined as a piece of code which is executed in a target computer to hamper the smooth functioning of the pc. It replicates itself and can quickly affect hosts of other computers thus paralyzing the entire network.

A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another. A virus is a type of malicious software malware comprised of small pieces of code attached to legitimate programs. When that program runs the virus runs. The reason for making a computer virus is to infect vulnerable systems gain administrator control and take user delicate information.

As it were the computer virus spreads independently from anyone else into other executable code. The virus requires someone to knowingly or unknowingly spread the infection without the knowledge or permission of a user or system administrator. A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code. The term computer virus was first formally defined by fred cohen in 1983.

A computer virus is malicious code that replicates by copying itself to another program computer boot sector or document and changes how a computer works.