While viewing bug bounties, I noticed that most of the bug bounties list the user enumeration in the excluding list. For instance brute forcing user accounts, forget password forms would generally ...
Does correcting a misspelled username and prompting the user with a valid username introduce a security risk? I recently tried logging into facebook and misspelled my email. They prompted me with ...
When I am implementing password reset functionality I usually do not include informative messages about whether a user was found, because I have always believed that it can lead to user name ...
Background I'm currently setting up a basic username & hash based login process for a web application. The process consist of the following steps: User submits their username. Server responds ...
We recently had an external security review performed on a public-facing website we manage. They noted that on the "recover password page", there are different response times when providing existing ...
So when you hit that forgot password link and enter your email address, it seems that sites (and other programmers I've spoken to) are one of either two mindsets; Notify the user whether or not the ...
I am interested in the intersection of account enumeration and single sign-on. Often, there will be SSO-only and non-SSO users alongside each other in an application, and in terms of improved ...
I noticed that the new gmail login asks for username first, and then confirms if such username exists, before asking for password input. Does this not go against conventional security wisdom to not ...
Developers are dogmatic on having "invalid username or password" on login screens; our applications should not reveal if somebody is a member given an email address. But there are two other ways our ...
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 ...
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, ...
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 ...
Someone told me it shouldn't be possible for someone to detect if a certain email address is used by a registered user on a website. So, for instance, when the user asks to reset his password, you ...
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 ...