Fact · Voice privacy and security
In a 2020 study of smart speakers exposed to TV audio, the authors found no evidence that the devices constantly record conversations. They did find that the devices wake up frequently, usually for short intervals.
Checked against its source on October 17, 2026
In the source's own words
“we found no evidence to support this. The devices do wake up frequently, but often for short intervals”
When Speakers Are All Ears: Characterizing Misactivations of IoT Smart Speakers, Daniel J. Dubois et al., Proceedings on Privacy Enhancing Technologies (PETS 2020), 2020, Key findings.
Open the original- What it measures
- The researchers played 125 hours of Netflix content to smart speakers, including Amazon Echo Dots, Google Home Mini, Apple HomePod and a Harman Kardon Invoke with Cortana, and logged each activation that happened without the wake word.
- What it does not show
- The test used TV audio, not live conversation, and the authors say they cannot make claims about more general trends. The study covers devices from 2019 and 2020 only.