I'm being a bit pedantic about the "every fingerprint reader" mention and am assuming that mention also includes non-Apple devices. HTC and Samsung phones have,

I'm being a bit pedantic about the "every fingerprint reader" mention and am assuming that mention also includes non-Apple devices. HTC and Samsung phones have, in the past, stored fingerprint images in an accessible location. What's worse was that the fingerprint image would be refreshed with every swipe/finger touch! [1]: https://www.theguardian.com/technology/2015/aug/10/htc-fingerprints-world-readable-unencrypted-folder https://www.theguardian.com/technology/2015/aug/10/htc-finge... [2]: http://betanews.com/2015/08/11/htc-and-samsung-phones-storing-unencrypted-fingerprints/ http://betanews.com/2015/08/11/htc-and-samsung-phones-storin...