It spread through infected floppy disk boot.
Computer virus and security.
Brain was a boot sector virus.
Because this mode is streamlined for tighter security the virus threat protection area has fewer options.
The purpose of creating a computer virus is to infect vulnerable systems gain admin control and steal user sensitive data.
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.
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Some computer viruses are programmed to harm your computer by damaging programs deleting files or reformatting the hard drive.
When this replication succeeds the affected areas are then said to be infected with a computer virus.
Computer viruses cause billions of dollars worth of economic damage each year in 1989 the adapso software industry division published.
A computer virus is a malicious program that self replicates by copying itself to another program.
Antivirus software is critical for every pc.
Without it you risk losing your personal information your files and even the cash from your bank account.
The brain virus which initially appeared in 1986 is considered to be the first ms dos personal computer virus.
A computer virus much like a flu virus is designed to spread from host to host and has the ability to replicate itself.
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In other words the computer virus spreads by itself into other executable code or documents.
What does a computer virus do.
A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code.