Building Windows 8

An inside look from the Windows engineering team

December, 2011

  • Building Windows 8

    Optimizing picture password security

    We wanted to talk a bit more about the security of picture passwords in a follow up post based on some of your comments. Jeff Johnson, the Director of Development for the User Experience team, is particularly interested in the math and security of this feature and authored this post on how to optimize the security of the picture password. Since this is a new form of logging on and concerns over security (especially with mobile devices) as well as new authentication techniques (fragility of facial...
  • Building Windows 8

    Signing in with a picture password

    Picture password is a new way to sign in to Windows 8 that is currently in the Developer Preview. Let’s go behind the scenes and see how secure this is and how it was built. One of the neat things about the availability of a touch screen is that it provides an opportunity to look at a new way to sign in to your PC. While many of us might prefer to remove the friction of getting to a PC by running without a password, for most of us, and in most situations this is not the case or is at least...
  • Building Windows 8

    Protecting your digital identity

    We live in a world of usernames, passwords, and PINs when it comes to using our computing devices connected to the Internet. These are very important elements of the digital economy and providing the infrastructure for these in Windows is serious business. This work starts with the most basic step of signing in to Windows, and then includes the technologies used to secure the myriad of accounts you will come to use over time. In this post we take a look at the architectural improvements to Windows...
  • Building Windows 8

    Windows Store event and blog

    Today at our Windows Store Preview event in San Francisco, Antoine Leblond revealed the business terms and app policies for anyone developing apps for our new Windows Store. He showed some of the great apps that will be available in the Store at Windows 8 Beta, and demonstrated the design, capabilities, and flexibility of the Store as a platform . Antoine has also just started a new Windows Store for developers blog , where he will provide info and updates related to the Store for anyone interested...
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