Today, the sensor company Synaptics announced a new method for combining fingerprint readers and facial recognition on a single device. Referred to as a “multi-factor fusion engine” by Synaptics, the system would allow facial or fingerprint logins to be used interchangeably, or combined for an even more robust login. In September, the company announced a partnership to bring fingerprint sensors to Lenovo laptops.

Handling biometric logins is both sensitive and processor-intensive. As a result, most fingerprint readers build additional hardware directly into the sensor, giving it the power to accept or reject a print without making it available to the rest of the device. But while that system protects fingerprints from potentially hacked…

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