I have some problems with this. 1) It's unfamiliar, and this will slow people down. While this is not a major issue, compared to the rest, it may certainly increase support costs, which may not be allowable if you're working on Enterprise software with a huge userbase. 2) It would require a nonstandard UI widget in order to display the username in cleartext while hiding the password in the same field. If you're desig…
Does everyone agree about that last point? That having a single error message that says "username/password combo not found" is more secure? I have always thought that the username was not secret and to treat it as part of the secret is almost like saying there is no username just a big password that you enter in two distinct boxes. I understand that hackers do like ways to validate that they have an actual username a…
But, I hate 'low-risk' sites that do this when I'm not sure of my username/password. If I can't remember what username I used 6 months ago when I signed up then at least tell me I got that wrong instead of trying different passwords.
Even better, scratch usernames and let me log in with my email address.