Check submitted passwords against a dictionary of common passwords (123456, monkey, etc) and ban that traffic extra hard. and vice versa. So basically any admin of any of these websites already has this so called sensitive info. Currently available for hire. his comment is here
Personally, I don't bother with generic error messages since there are plenty of other restrictions in place for my logins (captchas, limited login attempts), plus logins are like the #1 reason Bright House is now Spectrum. asked 2 years ago viewed 20818 times active 7 months ago Blog How Do Software Developers in New York, San Francisco, London and Bangalore… Linked 0 User Account Guessing 1 Having User enters their email address. http://stackoverflow.com/questions/14922130/which-error-message-is-better-when-users-entered-a-wrong-password
Advisor drops MSci student suddenly in final semester Was Harry's concern about Fleur's sister Gabrielle misplaced? You have 4 options: username/pwd can be correct/incorrect. But, in concept, you are correct. One example is a web mail service - here email addresses are deemed potentially public.
Posted in Usability. 36 thoughts on “"Invalid Username or Password": a useless security measure” Hugo Osvaldo Barrera December 1, 2014 at 11:15 am Gmail does it too, but you can send How to distinguish between American Indians and Indian Indians in native English (language) parlance? Site confirms user's identity and uses token in URL to set user's session cookie. Login Error Message Examples And you'll need to consider the security implications of that, but generally they either already have the password (making this discussion moot) or they won't (so restricted attempts prevents guessing anyway).
Reply ↓ Blaine Cook December 5, 2014 at 6:39 am Glad to see others talking about this stuff. See Mat Honen's stream of service compromises to lead to ownage of his twitter account. To find email addresses, an attacker is going to need to try a lot of email addresses and/or a lot of passwords, and get a lot of them wrong. http://security.stackexchange.com/questions/62661/generic-error-message-for-wrong-password-or-username-is-this-really-helpful Most websites on the Internet won't tell you which one is actually incorrect.
Go back to the app and try signing in again. Either Your User Was Not Found Or Your Credentials Are Incorrect Miniclip Poor UX regardless of any security questions. –JohnGB♦ Nov 4 '11 at 12:45 2 I would argue that this happens very rarely. Some forum softwares even include a page which enumerates the usernames for you! –Brian S Jul 9 '14 at 19:26 add a comment| up vote 0 down vote A smart website Why is water-contaminated fuel bad, but water-injection is not?
It's an interesting discussion. Get More Info There should also be a reasonable wait period between tries, but not so long as to discourage a real person trying to set up a real account. –Phil Perry Jul 9 Wrong Username Or Password Message Reply ↓ Charles Feduke December 1, 2014 at 12:58 pm I was just having this discussion with a co-worker recently and neither of us thought of the fact that the sign Invalid Username Or Password Message This is much more arduous and requires two context switches (go into your email, avoid distraction, wait for email to arrive, click link in email, remember what you were doing on
For example, Google might ask for additional information besides your username and password if you are traveling or if you try to sign in to your account from a new device. this content Registration page usually includes some form of CAPTCHA. –domen Jul 8 '14 at 11:42 6 So long as the CAPTCHA or other challenge/puzzle comes before the user is told that Reply ↓ Pingback: What is Brute Force? | Malware Clean Pingback: How Strong Are Your Passwords? | Malware Clean alech December 24, 2014 at 3:12 am Also, even if not explicitly However, if you provide a generic message like the one above, the attacker doesn't know if the user, password or combination of both is correct or not. Login Failure Message Best Practice
What checkin and checkout date to pick when arriving/leaving after midnight? But you know how 99% of websites are. User is permanently signed in - unless they manually sign out, of course.) Reply ↓ Marco Barbosa December 5, 2014 at 6:44 am I would be also interested to know the http://compsyscon.com/error-message/error-message-text.html What's the verb for "to drink small amounts of drink"?
We read every feedback carefully but cannot respond to all of them. Login Error Message Best Practices A simplistic method of looking up logins in a database might look something like (using :n for parameters supplied by the user): SELECT 1 FROM users WHERE username=:1 AND password=HASHING_FUNCTION(CONCAT(:2, salt)) In GMAIL context's, it's probably that gmail doesn't want people mining the existing email addresses to be used by spam robots.
I think the error message: "The password you entered is incorrect" is more clear to users, And, What's more, it's very easy to check whether a username is exists on the I disagree with adding two factor authentication as a general recommendation outside of very sensitive data. (On the flip side, its appalling that none of the banks or financial institutions I've Most sites that choose option #2 still allow you to recover a password by email and then let you know if no such username exists in the database... Username Or Password Is Incorrect Iphone Email link, gmail will eventually tell you that this account does not exist: It's ultimately up to you whether or not you want to do this.
Say I've then forgotten my username and I enter JohnGB as my username, but use my correct password. And ideally, a per-row salt. If you do choose to display a generic error message, then good god, go all the way with it. check over here Who tells tells you if a name exists?
The limitations are still logical and technical. –JohnGB♦ Nov 4 '11 at 12:44 2 I never suggested you could say that a password exists. Consider a recruitment site, it could be embarrassing for [email protected] to have his boss discover there is an account on a recruitment site. up vote 61 down vote favorite 17 It is really common (and I would say it is some kind of security basic) to not show on the login page if the The best approach for Paypal could be different from your personal blog comments. –Emil Nov 4 '11 at 2:28 3 Yep, this is a security thing.
Rate limiting can go a fair way to preventing brute force attacks. So your first option is Definitely more secure. What we could do with is a different route. You would solve the problem by having the forgotten password and the sign up form as effectively the same page.
Then the login dialog is coupled to information that is not really relevant to its job. This happened on facebook and people got pissed about it. –Matt Nov 4 '11 at 7:20 @BenBrocka: This has nothing to do with security - it's a logic issue. share|improve this answer answered Jul 7 '14 at 20:54 Ahauehuaheuaheuahue 21 2 Recaptcha's are easily broken by a recaptcha solver. Question: any tips on how to "allow easy integration with LastPass or 1Password"?
It is simply 'Good Practice'(TM) to keep log in failure messages generic in order to make it harder for attackers to glean good accounts from bad. Did Pokemon start off as a Manga? How to proceed in light of peer-review confidentiality? share|improve this answer edited Nov 5 '11 at 2:37 answered Nov 4 '11 at 15:55 Knu 454414 Good idea.
Please Contact Us if you would like a response. The reason is not to show potential attackers which usernames are already taken, so it'll be harder to 'hack' an existing account. I don't recommend this, because of the context switches, though you can implement it. We are no longer allowed to tell users they have been locked out.