Shetab Windows Live Authentication for SharePoint is a tool which allows you and your member's to sign in your SharePoint site with Windows Live ID. You can manage member's access before and after user's login to your site via SharePoint standard access pages and controls. Why using Windows Live Authentication?SSO (Single Sign-on) become more popular and important in network security. Just imagine you always login to your own computer, bank account, email and many online accounts just by your smart card and pin code with maximum security without any worry about reminding many passwords, lost or stolen password. Still we are on the road to this goal but the current standard and technology are indicated that we are very close to it. Today even large organizations try to use systems such as Active Directory Federation System (ADFS) to reach SSO.Here are some key features of "Shetab Windows Live ID for SharePoint":