Internet Explorer’s security zones are key elements to browsing the web and using the internet without fear. By default, all websites you visit are assigned to the Internet zone, and Internet Explorer severely restricts the action of sites in the Internet zone. If you’re concerned about security, you can lock down security zones even more tightly if you like.
By default, Internet Explorer allows you to work with four security zones:
The Internet zone includes all sites that are not included in any other category.
The Local Intranet zone is for sites on your local network—typically, behind a firewall.
Normally, the Local Intranet zone has fewer restrictions than the Internet zone; however, in a default ...