"Create a password" is a prompt familiar to anyone who's tried to buy a book from Amazon or register for a Google account. Equally familiar is that red / yellow / green bar that rates the new password's strength. But when those meters give the go-ahead to passwords like Password1+, their effectiveness is called into question.
New research from Concordia University exposes the weakness of password strength meters, and shows consumers should remain sceptical when the bar turns green in order to create strong passwords.
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