https://www.techradar.com/news/alexa-did-send-a-private-conversation-to-a-random-person-but-there-is-a-reason

Alexa sometimes get confused. Anyone with an Amazon Echo will know this. Once it turned on my bedroom light, instead of playing soothing music through a Sonos. Bad Alexa. 

What is hasn’t done yet has sent private conversations to a seemingly random person, but this has just happened to someone.