With Windows Internet Explorer, you can set different levels of security for different types of Web sites. For example, you might feel perfectly comfortable running programs that originate from your organization’s intranet site or from specific Web sites that you trust (such as your own), but not want to allow certain types of programs to run on your computer from the Internet.
Internet Explorer divides the types of Web sites you visit into these four security zones:
Internet. All external Web sites that are not in the trusted or restricted site lists.
Local intranet. All Web sites that are part of your organization’s local network.
Trusted. Specific Web sites that you have designated as trustworthy; you believe ...