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Wristband Password, Answer to Security Breaches?

A team of Toronto scientists has developed a wristband that uses a person's heartbeat to authenticate access to personal technologies like smartphones and laptops.

Biometric security engineer Foreini Agrafioti said, "Because our hearts are so unique--from their size to their orientation in the chest to how they pump our blood--they may be the perfect security 'password.'" Agrafioti adds that she "believes the future of security lies in the parts of our bodies that are difficult to steal and biologically exclusive."