Security-levels in Internet Explorer security zones

Internet explorer provides a security level slider which you can use to define security boundaries for the four zones. The available security levels are High, Medium-high, Medium, Medium-low and Low. This document will explain the behaviour of each security level.

High

• Appropriate for sites that might have harmful content
• Maximum safeguards
• Less secure features are disabled

Medium-high

• Appropriate for most websites
• Prompts before downloading potentially unsafe content
• Unsigned ActiveX controls will not be downloaded

Medium

• Prompts before downloading potentially unsafe content
• Unsigned ActiveX controls will not be downloaded

Medium-low

• Appropriate for websites on local network (intranet)
• Most content will be run without prompting you
• Unsigned ActiveX controls will not be downloaded
• Same as medium level without prompts

Low

• Minimal safeguards and warning prompts are provided
• Most content is downloaded and run without prompts
• All active content can be run
• Appropriate for sites that you absolutely trust