confirmation that a user is who they claim to be, either by verifying what they know (password), what they have (a key) or what they are (fingerprints).

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5
votes
1answer
158 views

How important is social sign-up to attracting new users?

Many website, including this one, are using social sign-up to speed up new user registrations. I'd like to know what are the adoption rates of this service, and whether there are any pitfalls to using ...
2
votes
2answers
240 views

When is user authentication really necessary?

Better said, how much harder is to mantain a forum/message-board/community webiste with unauthenticated users and what would be the benefits and disadvantages in comparison to an account-based one? ...
1
vote
2answers
213 views

Authentication pop up on a desktop app: what if it is much bigger than main app window?

I am working on a desktop app that requires authentication. It allows federated authentication using different services, Google among them. Most probably, we'll use a pop up with a browser window to ...
0
votes
1answer
157 views

When should “Log on” or “Log off” be used? [duplicate]

Possible Duplicate: Using “Sign in” vs using “Log in” I'm porting an old application that has a "Log on" screen. When would I use "Log on" vs the alternatives (Sign ...
6
votes
2answers
348 views

How can I encourage users to authenticate?

I am working on a post-sale customer support project for a US high street retailer (for the rest of this post I will refer to them as 'Jon's Cellphones'). The program will enable customers who ...
2
votes
6answers
831 views

WebApp User Login Screen

I am currently considering options for a web/intranet application login screen and this seems like a good place to share. Not much work has gone into the current screen since creation and it exists ...
10
votes
5answers
650 views

Why would you, for a local authentication site, have usernames, instead of using e-mail address to login?

In websites where authentication is local, or mixed local and remote (e.g. OpenID), I still often see the question for a username. I can very well understand this in the case of twitter, where the ...
4
votes
6answers
443 views

Is there a way to disallow multiple votes from one user without forcing authentication? [closed]

I'm looking for a way to prohibit voting rigging (cache/cookie-clearing, etc.) without requiring the user to jump through hoops (registration, authentication, etc.). Any ideas?
4
votes
4answers
252 views

Business application: Is it better to redirect or pop-up for re-authentication?

This question is geared for a line of business application someone would pay for, not a general public facing website. Is it better to redirect for authentication/re-authentication or show a pop-up? ...