IEBlog

Windows Internet Explorer Engineering Team Blog

  • IEBlog

    Internet Explorer 9 Security Part 2: Protection from Socially Engineered Attacks

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    As Eric introduced in his post earlier this week, Internet Explorer offers layered defenses to protect against and mitigate each of three major classes of threats that browser users face when surfing the sometimes-hostile Web: Technological attacks designed to exploit the browser or operating system Web attacks designed to exploit vulnerabilities in Web sites Social engineering attacks against the user’s trust Today’s post discusses how IE8 and IE9 can help protect users from the third class of attacks...
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    Making Tracking Protection Lists Available From Your Web Site

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    Any site can offer Tracking Protection Lists ( TPLs ) to help consumers protect their privacy. This post shows you how to make a TPL available from your site. For example, clicking here in IE9 will add the list from the EasyPrivacy . A word about Tracking Protection Lists Tracking Protection Lists are similar in concept to the lists behind the AdBlockPlus add-in for Firefox. The main differences are that TPLs are built in to IE, the W3C is working through the standardization process of their format...
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    More Control over Flash Cookies with IE

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    Internet Explorer now gives you more control over the data that Web sites store on your computer. This includes Flash Player’s Local Shared Objects (LSOs). We’ve worked closely with Adobe to integrate Flash LSO deletion directly into Internet Explorer, making it easier for you to manage your online privacy with the latest version of Adobe Flash and IE9 (as well as IE8): IE will delete your Flash Cookies as well as your Web cookies If you want to try this out, please visit our Test...
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    More Standards Documentation Available

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    Last month we published interoperability information for Internet Explorer 7 and Internet Explorer 8 focused on CSS and HTML4.01. Today we publish another set of documentation covering: Document Object Model (DOM) Level 1 ( spec link ) Document Object Model (DOM) Level 2 Core ( spec link ) Document Object Model (DOM) Level 2 Events ( spec link ) Document Object Model (DOM) Level 2 HTML ( spec link ) Document Object Model (DOM) Level 2 Style ( spec link ) Document Object Model...
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    W3C Transitions Pointer Events to Candidate Recommendation

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    Today, the W3C published Pointer Events as a Candidate Recommendation, an important step towards a standard and interoperable way to handle input from touch, pen, mouse, and more. This fast 5-month progression from First Public Working Draft to Candidate Recommendation is a mark of the effective collaboration between Microsoft, Google, Mozilla, Opera, Nokia, jQuery, and others to help sites take advantage of new interactive hardware on the Web. Candidate Recommendation indicates the W3C considers...
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    December 2013 Internet Explorer Updates

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    Microsoft Security Bulletin MS13-097 - Critical This security update resolves seven privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. An attacker who successfully exploited the most severe of these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less...
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    Security Advisory 2755801 Updated to Address Adobe Flash Player Issues documented in APSB13-08

    • 12 Comments
    Today we released an update that addresses vulnerabilities in Adobe Flash Player in Internet Explorer 10 on Windows 8. The details of the vulnerabilities are documented in Adobe security bulletin APSB13-08 . The majority of customers have automatic updates enabled and will not need to take any action because the update will be downloaded and installed automatically. For those manually updating, we encourage you to read the advisory and apply this update as quickly as possible. This update addresses...
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    IE Dev Center: Finding the resources you need, quickly

    • 11 Comments
    Last week we launched a remodeled Internet Explorer Developer Center ( msdn.com/ie ) to make it easier for developers to find the comprehensive documentation quickly. Based on your feedback, we’ve adjusted our site structure as part of a larger Windows Dev Center redesign in order to: Make it easier to find developer topics across versions of IE Find more comprehensive API documentation faster Learn best practices from developer guides, tutorials, and sample code We organized the...
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    HTML5 History in IE10

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    Building fast and functional sites is a challenge with which most Web developers are familiar. Loading a new page every time the user clicks a link is slow. Fetching all content dynamically effectively disables the back button. Working with hashes is better, but still not ideal. Internet Explorer 10 in the Windows Developer Preview eliminates the compromise by adding support for HTML5 History . The pushState , replaceState , and popstate APIs provide fine-grained control over the behavior of the...
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    Best Practices for Getting Started with SVG

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    Web graphics in SVG (Scalable Vector Graphics) format offer better quality display over a broader range of device sizes compared to bitmap-based graphics. SVG also has inherent accessibility making it the best choice for interactive graphics and those involving text. SVG usage on the Web continues to grow. Last week at SVG Open 2011 , we had the opportunity to meet with and hear from Web developers putting SVG to use in a wide variety of real-world applications. These applications include...
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    Debugging IndexedDB Applications

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    IndexedDB is a W3C Working Draft that enables JavaScript developers to store, search, and retrieve data on the user's local client, even when Internet connectivity is disabled . This blog post describes IDBExplorer, a tool we use internally to debug IndexedDB applications. IDBExplorer lets you view database schemas, object store content, and index details. Exploring the tool with an example IndexedDB App To illustrate, I created an application that tracks my New Year’s resolutions...
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    Creating Files through BlobBuilder

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    As Web sites transition more and more into Web applications, working with files in meaningful ways is becoming increasingly important. Starting with Platform Preview 2, IE10 includes support for the File API , enabling developers to read and slice files on the client. Platform Preview 4 adds support for BlobBuilder , a way for developers to create new files. IE10 also has two new methods that allow the user to save blobs to their computer, enabling great end-to-end experiences when working...
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    IE8 is now available on Windows XP for 5 more languages

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    We are pleased to announce the availability of Internet Explorer 8 on Windows XP for 5 additional languages today. These languages were tagged as “Coming Soon” in our blog post early June . Please visit our World wide sites page to download Internet Explorer in your preferred locale/ language. Languages newly available on Windows XP: Telugu Malayalam Punjabi (India) Kannada Bengali (India) For reference, here’s a table with the full list of IE8 availability: ...
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    Declaring Security

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    Recently, a number of people have asked me what I think about Mozilla’s Content Security Policy draft spec. Back in January, I went on record as being someone who thinks that CSP is a good idea. CSP is a mechanism for declarative security , whereby a site communicates its intent and leaves it up to the user-agent to determine how to enforce it. There are a number of benefits to declarative security mechanisms: Reduced compatibility risks. Because sites must opt-in and declare what, if...
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    IE 9.0.3 Available via Windows Update

    • 11 Comments
    The October 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves eight privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the local user. Users whose accounts are configured to have fewer...
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    Deleting “Flash Cookies” Made Easier

    • 11 Comments
    If you follow Web Privacy issues, you’ve probably heard about “ Flash Cookies .” In the same manner that Web developers can use HTTP Cookies to store data, developers who use Adobe Flash Player on their Web site can use Flash Cookies to store data. Internet Explorer users are accustomed to deleting their cookies via Delete Browsing History . However, because Flash is an add-on and not part of standard HTML content, browsers have not been able to delete Flash cookies the same way they delete HTTP...
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    10K Apart

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    Today we feature a post by Nishant Kothary & Joshua Allen, web standards evangelists at MIX Online who work closely with the web community to listen, learn and help them make the most of the Microsoft platform. The recurring theme for IE9 is about putting sites in the center—from enabling hardware-accelerated HTML5, to the simplified browser UI building on the familiar experiences of Windows and the power of whole PC. In fact, the public launch of the IE9 beta on beautyoftheweb.com centered on...
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    IE Blog Offline for a Short Time

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    The IE blog will be offline for scheduled maintenance beginning at 11:00 AM PST. We don’t anticipate this taking long at all. Thanks for visiting us! Kristen Kibble Program Manager Update: maintenance complete
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    IE8 Beta 1 For Developers Now Available in Chinese (Simplified) and German

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    The IE team is pleased to announce the availability of Chinese (Simplified) and German versions of Windows Internet Explorer Beta 1 for Developers. The two languages released today are fully localized versions of the IE8 English Beta 1 , released March 5, 2008. They carry with them the same improved CSS 2.1 support, better scripting performance, and other features and improvements that the English beta 1 developer release contains. Download links: IE8 Beta 1 Chinese (Simplified) for Developers...
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    IE8 Firestarter event on March 26th

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    While the team continues getting ready for Mix09 coming up this week, we wanted to let you know about another unique opportunity coming up next week. On Thursday, March 26 th , the IE team will host the Internet Explorer 8 FireStarter event. This is a one-day conference with IE8 talks from myself and other team members. If you are local to Redmond, we invite you to attend the event in person . Other options to attend are via Live Meeting or at a live streaming session hosted by your local user group...
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    Microsoft Application Compatibility Toolkit (ACT) 5.0 Beta

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    In my last blog post I mentioned how important compatibility is, for example, you might see a certificate error page and would like to know what the problem with the website digital certificate is. In order to help you get ready for IE7, the IE team released a small tool that can be used to find compatibility issues when using IE7 beta builds. I am happy to announce that Microsoft has released a beta of the fully featured compatibility tool, the Microsoft Application Compatibility...
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    How the IE team is organized

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    The information published in this post is now out-of-date. —IEBlog Editor, 20 August 2012 As we’ve been posting we’ve been mentioning our titles, but we haven’t really explained what those titles mean or what we do on the IE team, so I thought I’d explain. Like many Microsoft product teams, there are three primary job functions that are dedicated to IE: Development, Test, and Program Management. In addition to these roles, we have key members of our virtual team who are shared with other parts...
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    IE Setup - From IExpress to Windows Package Installer

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    My name is John Hrvatin and I’m the Program Manager for Internet Explorer setup. That includes installers for security updates as well as integrating IE into Windows setup for future releases. In the past, IE has used IExpress as its installer. With the release of security update MS04-038 in October 2004, however, IE has begun using the Windows Package Installer, or “update.exe”, for all IE security updates and hot fixes on the following platforms: • Windows 2000 (all service pack levels) • Windows...
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    Internet Explorer Expert Zone Chat

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    The information published in this post is now out-of-date. —IEBlog Editor, 20 August 2012 On Thursday Jan 13th at 10:00AM PST we’ll be holding our regular monthly Internet Explorer chat with team members. See http://www.microsoft.com/WindowsXP/expertzone/chats/default.mspx for details. The focus of this chat will be currently supported versions of Internet Explorer and is an opportunity to interact with members of the product team getting assistance and giving feedback. We will not be discussing...
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    April Chat with the Internet Explorer team on Thursday

    • 10 Comments
    Join members of the Internet Explorer team for an Expert Zone chat this Thursday, April 23 rd at 10.00 PST/17.00 UTC. These chats are a great opportunity to have your questions answered by members of the IE product team. Thank you to all who have attended our previous chats! Other upcoming Expert Zone chat dates can be found here . If you can’t join us live, the transcript for all chats are available here . Thanks! See you Thursday. Allison Burnett Program Manager
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