The aim of this project is to empower people by:
- Understanding what ultrasound beacons are
- Support to detect ultrasound beacons
- Knowing who listens to you
- Taking counter measures
Diverse adversaries are taking advantage of these beacons to gain knowledge on you, for marketing purposes at first, but nothing prevents different organizations to plant beacons to sensitive places - your devices betraying you've been there even if your phone was in offline mode.
The usages of these beacons are numerous, as show below: