If you've not been contacted by Amazon directly then you probably don't have to worry about this, but according to ZDNet
some user accounts have been force-reset by the online retail giant, on the cusp of the busiest shopping season of the year.
Amazon has yet to comment on why its taking these steps. There has been speculation of some vulnerability in how passwords are stored on a Kindle or mobile app, but thanks to a posted email on reddit
we now know that there was some kind of leak of user emails and passwords.