Smartphone batteries can reveal what you typed and read

Power trace sniffing, a badly-designed API and some cloudy AI spell potential trouble

A group of researchers has demonstrated that smartphone batteries can offer a side-channel attack vector by revealing what users do with their devices through analysis of power consumption.

Both snitching and exfiltration were described in this paper (PDF), accepted for July’s Privacy Enhancing Technologies Symposium.

Source: Smartphone batteries can reveal what you typed and read

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