Microsoft GFC00020, GLC00182, GLC01878, GLC00184 InPrivate Filtering, Data Execution Prevention

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InPrivate Filtering

You probably know that the Web sites you visit can track your activity, but you may not be fully aware of the degree to which additional Web sites and content providers can track you as well. Most Web sites today are mosaics of content that come from many different sites. As a result, the sites you visit often pull in content from third-party sites, which can track your activity even though you’re not aware of it. There are many security risks inherent in this model—you can be exposed to potentially malicious content from every third-party site that is referenced.

InPrivate Filtering in Internet Explorer 8 is designed to protect your privacy by helping prevent infor- mation about the Web sites that you visit from automatically being shared with other sites. It works by observing the Web sites you visit and building a table of the unique calls for third-party content or objects that are observed for each unique domain. When InPrivate Filtering is active, it blocks third- party content based on the default threshold of 10 unique such observances.

InPrivate Filtering is designed

to protect your privacy.

Data Execution Prevention

Some Internet-based threats—such as a virus disguised as a picture—exploit certain types of memory- related vulnerabilities. Data Execution Prevention helps prevent code that resides in memory space marked as nonexecutable from running. This security feature works silently in the background, helping to protect against viruses and malware being installed on your PC without your knowledge.

Tab Isolation and Crash Recovery

Have you ever been in the middle of fi lling out a long form on a Web site when the browser crashed, forc- ing you to start over? In Internet Explorer 8, if a tab does crash, it is automatically restored and reloaded, and any information you may have already entered on the page (such as writing an e-mail or fi lling out a form) is restored. Similarly, if the entire browser crashes or closes unexpectedly, Internet Explorer 8 restores the entire session (including all tabs).

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