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…


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…


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,…


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…