Your Heartbeat Can Give Away Your Identity, Like a Fingerprint

Our heartbeats differ just enough to tell us apart, but they also give away potentially sensitive information

Photo: Westend61/Getty Images

Heartbeats offer continuous authentication. Whereas we enter passwords or scan our fingers once to access secure applications, a heartbeat could effectively send out a password every second.

The permanent nature of a biometric also increases the potential risks if the data is stolen — one data breach could give away your identity permanently.

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