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Although SSL is widely used to allow users to securely log into a web site, it is not the only method that modern browsers support. Another method, which is just as seccure, is called Interated Windows Authentication (hereafter called IWA). Most web browsers (all versions of Internet Explorer, and recent versions of Gecko-based browsers such as FireFox 1.0) support IWA.
Whereas SSL uses the widely recognized gold lock visual cues cue to indicate to the user it is safe to type your password, IWA has no such visual cuesuses a different (but just as valid) visual cue to reassure the user it is safe to type your password. Some users have recently raised valid concerns that since the visual cues are different, there are no visual cues for GLAST web pages that use IWA, so this article is an attempt to reassure those users that IWA is a secure way to authenticate a user to a web server over the internet.
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