Our homes are getting smarter, but are they also becoming a little too nosy? While we enjoy the convenience of asking our speakers for the weather or having our thermostats learn our schedules, we might be overlooking a hidden cost: our privacy. A 2026 Copeland study revealed a striking trend: worries about data privacy among smart thermostat owners have jumped from 26% in 2022 to 37% in 2026.
Even more concerning, a majority of us—55%—admit we have little to no understanding of how manufacturers actually use our data. This gap between convenience and understanding creates a perfect storm for privacy invasions. The good news is that you don’t have to unplug everything. By taking control of a few key, often-buried settings, you can dramatically improve your digital privacy.
The Unseen Risks of a Connected Home
The real privacy risk in a smart home isn’t always a hacker in a dark room; it’s often the companies that made the devices in the first place. Your smart TV, for instance, can track everything you watch—from cable shows to that embarrassing YouTube rabbit hole—and use that data to build a detailed profile of you, which is then sold to advertisers.
Voice assistants can be tricked into recording private conversations, and millions of connected devices have been found to have security flaws that could allow strangers to access your home. The problem is so widespread that Mozilla’s *Privacy Not Included project now evaluates and warns consumers about smart devices with especially problematic privacy practices.
The first step to reclaiming your privacy is awareness. Let’s dive into the specific settings you need to change.
Smart Speakers & Voice Assistants: Taming the Always-Listening Ear
Voice assistants like Amazon Alexa and Google Assistant are powerful tools, but their core function—listening for a wake word—means a microphone is always active. The privacy features on these devices often require a bit of digging to find.
- Delete Your Voice History: Both Amazon and Google keep a log of your voice commands. You can review and delete these recordings. For Alexa, go to the Alexa app → Settings → Alexa Privacy → Manage Your Voice Recordings. For Google, visit myactivity.google.com and filter by “Voice & Audio”. You can also just say, “Alexa, delete everything I said today”.
- Enable Auto-Delete: To prevent a permanent log from being built, turn on auto-delete. You can set Alexa or Google to automatically erase recordings after 3 or 18 months.
- Opt Out of Human Review: Tech companies may use your voice snippets to “improve services,” which sometimes involves human contractors listening to anonymized clips. You can opt out of this. In the Alexa app, disable “Help Improve Alexa.” For Google, turn off “Include audio recordings” in your Web & App Activity settings.
- Audit Your Skills & Actions: Those third-party “Skills” or “Actions” you added months ago might have unnecessary permissions. Many of the 15,000+ Alexa skills request broad access to your devices without a clear reason. Regularly review and remove any you no longer use.
- The Mute Button: When you’re having a private conversation, or just want to ensure you’re not being recorded, use the physical mute button on the device. It cuts power to the microphone array, making it impossible to capture any audio.
Smart TVs: The Biggest Spy in Your Living Room
Your smart TV is likely a bigger privacy threat than your computer. The main culprit is a technology called Automatic Content Recognition (ACR). ACR constantly analyzes what’s on your screen—whether it’s a streaming app, a Blu-ray, or your gaming console—and reports that data back to the manufacturer. This data is then monetized and used for targeted advertising. Disabling it is the single most important privacy move you can make.
How to Disable ACR on Popular Brands:
- Samsung TV: Go to Settings → Support → Terms & Privacy → Privacy Choices (or Settings → All Settings → General & Privacy → Terms & Privacy) and turn Viewing Information Services off.
- LG TV: Go to Settings → All Settings → General → System → Additional Settings and turn Live Plus off.
- Roku TV: Go to Settings → Privacy → Smart TV Experience and uncheck Use Information for TV Inputs.
- Amazon Fire TV: Go to Settings → Preferences → Privacy Settings and turn off Automatic Content Recognition.
- Reset Your Advertising ID: Similar to a web browser, your TV has a unique advertising ID used to track you across apps. You should periodically reset it. You’ll usually find this option in the TV’s privacy settings menu.
- Disable Voice Recognition: If your TV remote has a microphone, you can usually disable voice recognition features in the settings menu to prevent unintended audio capture.
Smart Home Cameras & Doorbells: Securing Your Visual Data
Video feeds from inside and outside your home are some of the most sensitive data you possess. A security camera can be a powerful tool, but it’s also a potential window for others to see in.
- Scrutinize Cloud Storage: Understand where your video footage is being stored. Cloud storage is convenient but means your data resides on a company’s server. Whenever possible, opt for devices that support local storage (like an SD card) and limit cloud recording to specific events or zones.
- Be Wary of Third-Party Integrations: Many cameras “work in harmony” with voice assistants like Alexa or Google. Connecting your camera to these services can give those companies access to more of your data, including your video feed or usage patterns. Consider if the convenience is worth the privacy trade-off.
- Utilize Privacy Zones: Most modern security cameras and doorbells allow you to set “Privacy Zones.” Use this feature to black out areas you don’t want recorded, such as a neighbor’s window or a portion of your backyard.
- Enable Two-Factor Authentication (2FA): This is a non-negotiable security step. 2FA adds an extra layer of protection, requiring a code from your phone in addition to your password, which stops 99.9% of automated attacks. Enable it for every smart home account you have.
Beyond the Device: Foundational Steps for a Private Smart Home
Tweaking individual device settings is crucial, but true privacy requires a broader, more strategic approach to your entire home network.
- Secure Your Wi-Fi Network: Your router is the gateway to your smart home. Immediately change the default network name (SSID) and admin password. Ensure your network is using WPA3 encryption, the strongest standard available.
- Create a Separate Guest Network for IoT Devices: Most routers allow you to create a “Guest Network.” Put all your smart home gadgets—lights, plugs, thermostats—on this separate network. If a smart light bulb is compromised, the hacker can’t use it to jump onto your main network and access your computers or phones where your sensitive files are stored.
- Audit App Permissions: Just like on your phone, smart home apps request various permissions. A smart bulb app doesn’t need access to your contacts or location. Periodically review and revoke any unnecessary permissions for all your smart home apps. A study found that 68% of top-rated smart home apps requested at least one permission unrelated to their core function.
- Keep Firmware Updated: Manufacturers release updates to patch security flaws. Enable automatic updates on your devices and router whenever possible, or set a monthly reminder to manually check for them.
Taking Back Control
The convenience of a smart home doesn’t have to come at the expense of your privacy. It’s about being an informed and proactive user rather than a passive one. Start with one or two of the changes above—perhaps disabling ACR on your TV and setting up auto-delete for your voice assistant. Once you see how simple it is, you can work through the rest of the list. You’ll be surprised at how much more private and secure your smart home can feel with just a few intentional adjustments.