An authentication method that proves the identity of users logging into a network. When a user logs in, the access server or authentication server sends a random number (the challenge) to the client.

Abstract: Challenge-and-response authentication requires a MAC originator and a MAC recipient to compute a message authentication code based on a hidden secret and public data. The originator is ...

It only works in IE - if you are using Netscape or another browser you're SOL. If you have to support other browsers your best bet is Basic Authentication with SSL.

In IIS (Win2K), I've disabled anonymous access for our internal time tracking app I'm building. Right now, when a user hits the site, they get the log in (unless they are viewing it internally), then ...

Security tech is a mess of broken readers and glitchy updates; the fix isn't more "innovation," but making sure your ...