Amazon admits that Alexa records are permanently stored.
Request for deletions can be made, but copies of these are still likely to exist in related systems.
Amazon admits that Alexa recordings are permanent in response to a request for transparency.
Users can request that their data is deleted, but copies of these are still likely to exist in related systems.
Read more about this here. https://threatpost.com/amazon-admits-alexa-voice-recordings-saved-indefinitely/146225/