Questions tagged [authentication]
use this tag for questions related to authentication in the context of security
15
questions
70
votes
8
answers
81k
views
How to tell a user their login credentials are incorrect?
When a user has entered incorrect details into a login form, is it better to tell them:
The username or password you have entered is invalid.
or
The username you have entered is invalid (for ...
78
votes
11
answers
26k
views
Should users be allowed to use any special character they want when creating a password?
I came across a number of login configuration settings where there is a list of allowable special characters and was wondering:
Does this limitation cater for a specific security or usability need?
...
30
votes
6
answers
3k
views
Forcing users to use a particular pattern for passwords
Many websites, specially government ones, enforce users to use a password which conforms to particular criteria. For example: use between 8-13 characters with at-least one integer and one capital ...
6
votes
4
answers
899
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?
...
6
votes
10
answers
6k
views
Is there any advantage of signup before login with social plugins?
I am building a site and was thinking about if there should be a signup option at all.
I found the question about the difference between sign up and log in with Facebook/Google/etc but there was ...
4
votes
3
answers
550
views
Is offering more than one openid/social-sign-in option a good idea?
Lots of sites nowadays offer the option to log in via Google, Facebook, LinkedIn and so on, and sometimes a standard username/password option as well.
While this goes a long way toward helping users ...
21
votes
5
answers
34k
views
Is a "Login Successful" Message Necessary?
On an informational/forum website (say, similar to a StackExchange site), is it necessary to show a "login successful" message?
Clarification: On the site in question, the users can log in by ...
20
votes
5
answers
3k
views
Whats more user friendly local authentication or remote authentication (OpenID, OAuth)
From a usability perspective only (not security), what do users find more comfortable?
A site with its own login page (need to sign up but then easier to login;
or a site with remote authentication (...
14
votes
3
answers
2k
views
Is it bad practice not to allow users to create an account (versus OAuth or OpenID)?
When creating a website is it poor practice not to give users the option to "create an account"? Especially with rapid development, it seems more secure with less effort to offload authentication. ...
12
votes
2
answers
780
views
Dealing with Connected Social Accounts and Potential Orphans
Our application has the following signup paths:
Twitter Connect
Facebook Connect
Email/Password
Once you signup with one, you have the option to connect either both social account (in the case of an ...
9
votes
4
answers
7k
views
How many incorrect attempts should be allowed before invalidating a password?
I am trying to prevent brute force attacks on a user's account by invalidating a password when too many attempts are made in the same minute, hour, day or something similar. The credentials in this ...
9
votes
5
answers
1k
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 ...
5
votes
4
answers
1k
views
How to prevent creation of multiple accounts under the same company?
Let's say there's Company ABC and Employee A signed-up for an account under his own email address (e.g. [email protected]). However, let's say Employee B signed-up under the same company but ...
4
votes
2
answers
229
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 to ...
0
votes
1
answer
276
views
Separators in user config screen (Polymer/material) [closed]
I managed to create a usable screen to manage credentials. It's a bit tricky, because users can set login/password pair, as well as Facebook. However, a user could have just facebook, just login/pass, ...