Computer Virus Definition Ks2

When this replication succeeds the affected areas are then said to be infected with a computer virus.

Computer virus definition ks2. A type of malware that is disguised as legitimate software. A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code. A computer virus is a malicious program that self replicates by copying itself to another program. The term computer virus was first formally defined by fred cohen in 1983 computer viruses never occur naturally.

In this lesson learn the definition of a computer virus how these viruses work and ways you can keep your computer safe and healthy. The purpose of creating a computer virus is to infect vulnerable systems gain admin control and steal user sensitive data. They are always induced by people. Humans aren t the only things that get sick from time to time.

A pop up said she could save an extra 10 just by clicking the banner so she did. Cybercriminals trick users into uploading trojans onto their computer where they cause damage or collect data. Viruses embed in software without consent and infect the computer when the software is opened whereas a worm spreads itself through a network to. Kelly was on a new site looking for shoes.

Similarly in the same way that flu viruses cannot reproduce without a host cell computer viruses cannot reproduce and spread without programming such as a file or document. A self replicating program that attaches itself to clean file and spreads throughout a computer system infecting files with malicious code. 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. Once created and released however their diffusion is not directly under.

A pop up said she could save an extra 10 just. A computer virus is a malicious software program loaded onto a user s computer without the user s knowledge and performs malicious actions. Computer viruses cause billions of dollars worth of economic damage each year in 1989 the adapso software industry division published. There are two types of malware.