Users can unify multiple sign-ons for Windows Live services, including e-mail, IMs, and blogs, under one ID and password, even from a mobile device Microsoft on Tuesday expanded the capabilities of ...

Reports cropped up across Twitter around 1:30 ET on February 16 from individuals having problems logging into Microsoft's Hotmail, Xbox Live, as well as other Windows Live services. No word yet from ...

Microsoft has released a software development kit for a service that enables users who log in through one Web site to be authenticated on many others. It’s the company’s latest attempt to get other ...

Since reporting on the "FIFA hack" and related security concerns with Xbox Live and the Windows Live ID system, we've received stories, documentation and theories on how this is happening from dozens ...