Here’s a warning we never thought we’d have to give: when you’re in an audio or video call on your phone, avoid the temptation to doomscroll or use an app that requires a lot of swiping. Doing so just might save you from getting your identity stolen through the most improbable vector imaginable — by listening to the sound your fingerprints make on the phone’s screen (PDF).
This is a companion discussion topic for the original entry at https://hackaday.com/2024/02/23/your-noisy-fingerprints-vulnerable-to-new-side-channel-attack/