Bat in the Mobile: A Study on Ultrasonic Device TrackingJan 1, 2016·Daniel Arp,Erwin Quiring,Christian Wressnegger,Konrad Rieck· 0 min read Cite PDFLast updated on Jan 1, 2016 ← Privacy Threats through Ultrasonic Side Channels on Mobile Devices Jan 1, 2017Fragile Sensor Fingerprint Camera Identification Jan 1, 2015 →