lalit yadav

In the wake of serious security breaches in the last year, from the pilfering of Target customer's credit card information to the celebrity iCloud selfie-hack, it's easy to feel digitally naked. Your current best options—like making your password something along the lines of “**_^XBE47>>" or using two-step verification—also have their shortcomings, which has inspired a crop of enterprising scientists to come up with what must be the oddest, and possibly most secure, password yet: the rhythm of your heart. A team of Toronto scientists has developed a wristband that can use your own heart rhythm, as measured by electrocardiograms (ECG), as an authenticator for everything from accessing email to unlocking cell phones and other gadgets. In a recent talk at the TEDMED conference in Washington and San Francisco, biometric security engineer Foteini Agrafioti told audiences that because our hearts are so unique—from their size to their orientation in the chest to how...