What is OpenID and how does it work? Expert Michael Cobb explains the concept of OpenID SSO for Internet authentication.

After nearly four years of development and proselytization, social networking technology standard OpenID is beginning to show signs of going more mainstream on the web. The service is live in a ...

Yahoo announced its support for the OpenID authentication standard today.

Users will be able to use their Yahoo name and password to access non-Yahoo Web sites that support the OpenID 2.0 digital identity framework ...

Facebook is adding support for OpenID to its Web site, allowing users access to the social media sign-on platform. Facebook is the standard's largest relaying party -- that is, the largest Web ...

And enterprises would gain single sign-on for the Internet (at least the openid portion of it) as well as regain a single point of management for their worker's identities.

The only thing more cumbersome than creating a new account at every Website you want to sign into is having to create a new account before you can enjoy an iPhone app. The Web is well on its way ...

Single sign-on systems are also used within an enterprise, enabling users to access all authorized resources in the local network using the same username and password. See SAML and OpenID.