"The Internet is constantly evolving and creating new ways for users to perform tasks or reach audiences. This can create great change, but it can also make the Web a dangerous place for unsuspecting users. With Web based applications and interfaces regularly under attack, users need modern tools that are up to the task of defending against modern threats.
For Microsoft, the foundations of the 'modern' browser security environment began with Microsoft Internet Explorer 6 for Windows XP Service Pack 2. The security mechanisms in that release helped combat the style of threats being used at the time; those threats focused on the application surface area - the actual code and design of the browser - and finding ways to compromise the application just by getting a user to visit a Web site. Internet Explorer 6 XP SP2 focused on core security enhancements and introduced new features such as the Information Bar, Local Machine Zone Lockdown, and Pop-Up Window controls..."
For more information about IE8 security advances, check out:
Thomas W Shinder, M.D., MCSE
Sr. Consultant / Technical Writer