Are cookies viruses? No. Cookies are not viruses, trojans, spyware, or worms or any other kind of malware.
Are cookies programs? No. Cookies are not programs. They can’t install things you don’t want on your computer.
Can cookies see what’s on my computer? No, cookies can’t see what is on your computer. Nor can they collect any other information from your computer, nor snoop on your files.
Can the cookies I’ve got be seen by other people? No. A cookie can only be read by the site that gave you the cookie in the first place. And of course you can see your own cookies, as described later.
Can I control the cookies I get? Yes. You can control what cookies you get, and which cookies you keep, and whether or not information about your browsing activity is captured. This next section tells you how to control your preferences.
How can I see and manage my cookies in my browser? Virtually all modern browsers allow you to see what cookies you’ve got, and to delete them individually or delete all of them.
You can tell your browser to block all cookies from being set. You should be aware that if you do choose this option many sites will not work as smoothly as you are used to, and some functionality that is reliant on cookies to enable services you want to use will not work at all.