How they get started and spread


  • The usual way they spread is through the hard drive becoming infected from an already infected floppy disk. This in turn infects other floppy disks. They in turn infect other machines that they are used in and so it goes on. www.essex.ac.uk

  • They can also spread via any form of information interchange between machines. The usually means of transport is in programs downloaded from a BBS or the through the internet.