Host,files program,human interaction,program to program,disk to disk,open up to program.

-host,file,program.

-human interaction.

-program to program.

-disk to disk.

-open up program it will run a sequence of event.

Example :copy,post,data.

-Capture personal details.

-record your password.

-identity theft.

-Email attachment.

-spread by duplicate themselves copying .

-no host fast acting virus.

Viruses:

Macro viruses:

Spy ware:

Worm: