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Amazon Ring security/doorbell system doesn't secure your private info

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Mr. Bill:
EFF, 1/27/20: Ring Doorbell App Packed with Third-Party Trackers


--- Quote ---...An investigation by EFF of the Ring doorbell app for Android found it to be packed with third-party trackers sending out a plethora of customers’ personally identifiable information (PII). ...

Our testing, using Ring for Android version 3.21.1, revealed PII delivery to branch.io, mixpanel.com, appsflyer.com and facebook.com. Facebook, via its Graph API, is alerted when the app is opened and upon device actions such as app deactivation after screen lock due to inactivity. Information delivered to Facebook (even if you don’t have a Facebook account) includes time zone, device model, language preferences, screen resolution, and a unique identifier (anon_id), which persists even when you reset the OS-level advertiser ID.

Branch, which describes itself as a “deep linking” platform, receives a number of unique identifiers (device_fingerprint_id, hardware_id, identity_id) as well as your device’s local IP address, model, screen resolution, and DPI.

AppsFlyer, a big data company focused on the mobile platform, is given a wide array of information upon app launch as well as certain user actions, such as interacting with the “Neighbors” section of the app. This information includes your mobile carrier, when Ring was installed and first launched, a number of unique identifiers, the app you installed from, and whether AppsFlyer tracking came preinstalled on the device. ...

Most alarmingly, AppsFlyer also receives the sensors installed on your device (on our test device, this included the magnetometer, gyroscope, and accelerometer) and current calibration settings.

Ring gives MixPanel the most information by far. Users’ full names, email addresses, device information such as OS version and model, whether bluetooth is enabled, and app settings such as the number of locations a user has Ring devices installed in, are all collected and reported to MixPanel. ...
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