Microsoft exec outlines Windows 7 security

Summary: Mobile-device security, two factor log-ins, and AppLocker, a code-signing feature for applications, are just a few of the security advancements Microsoft is rolling out with its Windows 7 operating system. Scott Charney, corporate vice president of Microsoft's Trustworthy Computing division, explains at the RSA Conference in San Francisco how it will be safer, easier, and faster to sign in remotely to a business network.