Bought a used Nest security cam? The previous owner can spy on you
https://thenextweb.com/security/2019/06/20/bought-a-used-nest-security-cam-the-previous-owner-can-spy-on-you/
If you are thinking about buying a used Nest cam, you may want to hold off on that purchase.
According to a new report by the Wirecutter, some users who sold their Nest cam devices are able to access images from their old cameras even after performing a factory reset — only the images are those from the new owners.