What does a valid username mean?

What does a valid username mean?

A valid username is your email address. We do not allow spaces or symbols in a user name.

How do I create a valid username and password?

Create a valid username and password

  1. You may use your device phone number as your username.
  2. Your username and password need to be 6-33 characters in length.
  3. Your username and password can contain the following special characters: Hyphen (-) Underscore (_) Period (.)
  4. Your username and password cannot match.

What to do if your username or password is invalid?

Give guidance to users about creating strong passwords. Allow easy integration with LastPass or 1Password. Add a 2-factor auth option to your website. Encourage users to use it. Warn users about malicious behavior (“someone is trying to snoop your password”) and contact them about suspicious logins.

Why are my credentials invalid for my account?

The credentials may be invalid because there is no matching username/password pair in the user store, or because the user has not yet been approved, or because the user has been locked out. In Step 4 we will see how to show a more detailed message to the user when their login attempt fails.

Why is invalid username or password a useless security measure?

“Invalid Username or Password”: a useless security measure Posted on December 1, 2014 Login attempts fail because computer users can’t remember their email or didn’t input the right password. Most websites on the Internet won’t tell you which one is actually incorrect.

Why is it bad to allow enumeration of usernames?

If an attacker can probe your site to test whether a username exists, it gives them a leg up in trying to hack your users’ accounts. Allowing enumeration of usernames is not a vulnerability in itself, but in tandem with other types of vulnerabilities – like the ability to brute-force login – it will compromise the security of your users.