A unique identifier, like the address for your home. It helps navigate the traffic between computers as each has its own address.
It works very well ... I like it no telling how many times they have saved my computer from crash and burn and it also alerts you of suspicious sites ... love it and it is reasonably priced.
Judy Gray
Always on the ball
Always on the ball, keeping me secure, day and night!
Allen J. Exelby
It's worth every penny I pay. Guardio cleaned up problems that I put up with for years. And I love the fact that I can email and get a response almost immediately with a solution
Lawana Crosiar