A smart speaker stands in the kitchen and is always ready to answer a question, turn on music or control a smart home. Convenient – no doubt about it. But many feel slight discomfort: a device with a microphone is in your home 24 hours a day. Is it listening?
The short answer is yes, but not in the way you think. Let’s look at it in detail.
How the voice assistant works
A smart speaker doesn’t record or broadcast everything that happens in a room—that would require a ton of bandwidth and energy, and would be immediately detected by security researchers.
Instead, the column operates in modelocal waiting: a small chip on the device itself constantly analyzes the sound in search of a “wake-up word” – “Alice”, “Okay Google”, “Marusya”. This analysis occurs directly on the device, without sending data to the Internet.
As soon as the wake word is recognized, the recording starts and the audio is sent to the company’s servers for full processing.
The problem of false positives
The system is not perfect. The wake word is sometimes “heard” in a normal conversation or from the TV – and the speaker starts recording without your knowledge.
It is a well-documented fact that researchers and journalists have repeatedly received recordings from companies that were made without intentionally asking the assistant. Amazon, Google and Yandex admitted that some of the recordings were listened to by living people, supposedly to improve the quality of recognition.
This is not mass surveillance. But this is not perfect privacy.
What companies do with voice recordings
According to the privacy policies of all major manufacturers:
- Voice requests are saved on servers
- They are used to improve recognition algorithms
- Some of the recordings are listened to by employees (anonymized, according to companies)
- Entries can be deleted manually in your account settings
Yandex stores the history of requests to Alice – it can be viewed and deleted in the Yandex ID settings.
The real risks of smart speakers
Let’s separate real risks from paranoia:
Real risk: accidentally recording a confidential conversationIf you are discussing something very personal next to a column, theoretically it could end up in the recording if there is a false positive. Unlikely, but possible.
Real risk: account hackingIf an attacker gains access to your Yandex or Google account, he will gain access to your request history and, possibly, to your smart home.
Exaggerated risk: constant wiretappingThere is no convincing evidence that large manufacturers intentionally record everything. Technically, legally and reputationally, this would be too expensive for companies.
Exaggerated risk: “talk advertising”The effect of advertising after a conversation is almost always a coincidence plus a cognitive distortion (we notice confirmation of our fears and do not notice a refutation).
How to use your smart speaker safer
Physical mute buttonMost smart speakers have a button to completely mute the microphone – this will turn on the indicator. Pressed – the speaker physically cannot hear anything. Use it when you have important conversations.
Delete your search history regularlyIn the Yandex or Google Home application, find the history section and clear it periodically. You can configure auto-delete.
Disable listening feature to improve serviceIn the settings of most assistants, you can refuse to participate in the quality improvement program – that is, prohibit living people from listening to your recordings.
Place the column wiselyBedroom, office, place of personal conversations – think twice. Kitchen, living room for background music and timers – no problem.
Is it worth buying a smart speaker at all?
Depends on how you use it.
The smart speaker is great for:
- Music and podcasts by voice command
- Timers and reminders in the kitchen (hands in dough – “Alice, timer 20 minutes”)
- Weather forecasts and quick reference questions
- Smart home control – lights, sockets, thermostat
- Older people – voice control is easier than a smartphone
If you are concerned about privacy:Use the microphone mute button when the speaker is not needed. This simple solution removes most of the concerns.
Conclusion
A smart speaker is not a spy device, but it is not completely private either. She hears the wake-up word and sometimes makes mistakes. Companies store request history. This is a reality that must be taken into account consciously.
A microphone mute button, periodic history clearing and common sense in placement – and the smart speaker will become a convenient assistant without serious risks to privacy.