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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4
votes
2answers
176 views

How to request a third-party login within a seperate mobile application

I'm designing a mobile app that requires the user to log-in with their LinkedIn account. I feel I might have cluttered too much info into it, but everything seems to be important. I want the user ...
5
votes
4answers
377 views

Biometrics Activated UI

I'm having a problem regarding a user interface with bio-metrics inter action in employee logging in/out. The employee needs to choose whether he/she will login or logout and enter his/her employee ...
6
votes
1answer
125 views

What OpenID log-in screen is appropriate for people who don't understand SAML, OpenID, or Federation?

Every person that I've introduced to Stackexchange has had the same question/problem... that is they are confused by options to log using "gmail" or "hotmail" and assume that this is an email ...
5
votes
1answer
160 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
242 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
216 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
159 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
351 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
838 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
661 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
447 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
256 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? ...