Possible threats to data

Possible threats to data

1. types of threats

   • opportunist threats
     • people who find an unattended computer which has been left logged into a system may view, steal or damage information, programs or even hardware.
   • computer viruses
     • these are samll programs which can replicate themselves and spread from computer to computer. they are never beneficial; usually they will make some changes to the system they infect and, even if they do no real damage, they are undesireable. They arrive by attaching themselves to files or email messages.