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2
votes
4answers
118 views

Preventing User Enumeration on Registration Page

You have a website that users log into, and you want to prevent user enumeration. On the login page and the forgotten password page, this can be achieved by careful choice of user messages, but what ...
9
votes
2answers
921 views

User Enumeration Vulnerability while creating Google account

When we create a Google account, Google tells us whether an account with specified username exists or not. Doesn't that lead to user enumeration? Why not let users fill other information first, ...
3
votes
3answers
2k views

User name enumeration?

From what I understand it is bad security practice to display informative failed login messages like: The email you entered does not exist Instead of Incorrect email/password combination ...
5
votes
1answer
156 views

CAPTCHA enough to thwart user enumeration?

Say I have a site that has a user registration process where, when a user enters an email address already in use, an error message is displayed telling them that. This seems like a easy way to a ...