Kelson writes "NPR's Marketplace is reporting on a new authentication scheme. BioPassword tracks the way you type your password: how long each key is depressed, the time between keystrokes, and overall speed. When someone tries to log into your account, it compares the pattern to what it has on file. It only allows you in if both the password and patterns match. The technique has been around a while. World War II Morse code operators used it to determine whether a message was sent by an ally or an impostor."
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