How do computers spread viruses?

The main ways computers spread viruses: through file copying, file transfer, file execution, etc. File copying and file transfer require transmission media, and file execution is the inevitable way for virus infection.

The main way computer viruses spread:

Computer viruses spread mainly through file copying, file transfer, file File copying and file transmission require transmission media, and file execution is an inevitable path for virus infection (Macro viruses such as Word and Excel are executed indirectly through calls to Word and Excel).

Computer viruses are tools that humans use to study virus bionics, act on computers, and destroy computer systems through computer instructions or program codes to obtain information that is valuable to virus makers.

Extended information:

History of the development of computer viruses

1949: A "capable of actually replicating "Automata of its own"

1960s: "Core Wars" game

1983: Research computer virus reports begin to appear

1988: Computer viruses begin to become popular

1998: "The Year of the CIH Computer Virus"

2000: "I Love You" spread on the Internet

Essence:

Artificially programmed parasitic computer program

Characteristics:

executability, parasitism, contagiousness, destructiveness, deception, concealment and latent nature, derivativeness

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