They found the HomePod and Cortana devices activated the most, followed by Echo Dot series 2, Google Home Mini, and Echo Dot series 3. That’s potentially a lot of recordings of conversations that might be very private. The devices do wake up frequently, but often for short intervals, with some exceptions,” they say.īut they found the devices were activating without the wake word being uttered between 1.5 and a whopping 19 times a day. “In short, we found no evidence to support this. One question those concerned about their privacy when using smart speakers will ask is: Are Alexa, Siri, Cortana and the Google Assistant constantly recording conversations?Īccording to the researchers, the answer is no.

Apple Homepod 1st generation (wake word: Hey, Siri).Google Home Mini 1st generation (wake word: OK/Hey/Hi Google).