Your smart TV is watching you — literally. Researchers have found that Samsung and LG smart TVs capture screenshots of what is on screen multiple times per second and transmit them to external servers. Every major smart TV brand ships with a technology called Automatic Content Recognition (ACR) that fingerprints your viewing habits and shares them with advertisers. Here is how to take back control of your privacy.
What Your Smart TV Collects
Smart TVs go far beyond simply displaying content. Modern televisions are sophisticated data collection devices that track:
- What you watch: ACR technology captures a fingerprint of the pixels on your screen every few seconds and matches them against a database to identify what you are watching — whether it is Netflix, cable TV, or even content from an HDMI-connected device like a game console.
- How long you watch: Session duration, time of day, and binge-watching patterns are all recorded.
- App usage: Which apps you install, open, and how long you use them.
- Search queries: What you search for within the TV's interface.
- Voice recordings: If you use a voice assistant on your TV, your voice commands may be recorded and sent to cloud servers for processing.
- Device information: IP address, connected network details, other devices on your network, and TV settings.
This data is used to build a detailed profile of your viewing habits, which is then used for targeted advertising, sold to data brokers and analytics companies, and shared with content providers.
ACR: The Hidden Spy in Your Living Room
Every major smart TV brand uses ACR, but they all call it something different. Samsung calls it "Viewing Information Services." LG calls it "Live Plus." Vizio uses "Viewing Data." Roku refers to it as "Smart TV Experience." None of these names make it obvious that you are authorizing your TV to monitor and sell your viewing behavior. ACR is enabled by default on virtually all smart TVs.
How to Disable Tracking on Samsung TVs
Samsung smart TVs collect viewing data, app usage, and device information by default. To limit tracking:
- Press the Home button on your remote.
- Go to Settings → Support → Terms & Policy.
- Turn off Viewing Information Services — this disables ACR.
- Turn off Internet-Based Advertising to reduce targeted ads.
- Go back to Settings → General → Privacy and review additional data collection toggles.
- Under Voice & Sound, disable Voice Wake-Up if you do not use voice commands, and turn off Voice Recording.
How to Disable Tracking on LG TVs
LG's webOS platform collects viewing data through its "Live Plus" feature:
- Press the Settings button on your remote.
- Go to General → System → Additional Settings.
- Turn off Live Plus — this is LG's ACR technology.
- Go to General → System → Viewing Information and turn it off.
- Under General → About This TV → User Agreements, review and opt out of data collection agreements where possible.
How to Disable Tracking on Roku TVs and Devices
Roku TVs and streaming devices collect extensive viewing data:
- Go to Settings → Privacy → Smart TV Experience.
- Uncheck Use Info from TV Inputs — this disables ACR for content viewed through HDMI inputs, antenna, and other external sources.
- Go to Settings → Privacy → Advertising.
- Enable Limit Ad Tracking.
- Select Reset Advertising Identifier to clear your existing ad profile.
How to Disable Tracking on Vizio TVs
Vizio was fined $2.2 million by the FTC in 2017 for collecting viewing data without consumer consent. While the company now requires opt-in, the feature is often enabled during initial setup:
- Press the Menu button on your remote.
- Go to System → Reset & Admin.
- Turn off Viewing Data — this disables ACR.
- Go to System → Reset & Admin → Advertising and enable Limit Ad Tracking.
How to Disable Tracking on Amazon Fire TV
Fire TV devices and Fire TV Edition smart TVs collect data for Amazon's advertising ecosystem:
- Go to Settings → Preferences → Privacy Settings.
- Turn off Device Usage Data — this stops Amazon from collecting data about how you use your Fire TV.
- Turn off Collect App and Over-the-Air Usage Data.
- Turn off Interest-Based Ads.
- Under Settings → Preferences → Data Monitoring, you can view how much data your Fire TV is transmitting.
How to Disable Tracking on Google/Android TV
Google TV and Android TV devices (including Chromecast with Google TV) are tied to Google's data collection infrastructure:
- Go to Settings → Privacy.
- Turn off Usage & Diagnostics.
- Go to Settings → Privacy → Ads.
- Enable Opt out of Ads Personalization and reset your advertising ID.
- On your Google Account at myaccount.google.com, review and pause Web & App Activity and YouTube History to limit cross-device tracking.
The Nuclear Option: Disconnect From the Internet
If you want maximum privacy, you can disconnect your smart TV from WiFi entirely and use a separate streaming device (like an Apple TV, which has stronger privacy defaults) for internet-connected content. Your TV will still function as a display for HDMI-connected devices, game consoles, and antenna broadcasts — without sending any data to the manufacturer.
Additional Smart TV Privacy Tips
- Disable voice assistants: If you do not use voice commands, turn off the microphone on your TV or smart remote to prevent accidental recordings.
- Disable camera access: Some high-end smart TVs include built-in cameras. Disable them in settings or cover them with tape if there is no software toggle.
- Update firmware: Keep your TV's software up to date. Updates sometimes include new privacy settings or fix vulnerabilities that could be exploited.
- Review app permissions: Apps installed on your smart TV may request access to your microphone, camera, and viewing data. Review and limit these permissions.
- Use a guest network: If you keep your TV connected to WiFi, put it on a separate guest network to isolate it from your computers, phones, and other devices containing sensitive information.
- Read the privacy policy: When your TV prompts you to accept updated terms and conditions, read the privacy section. You can often opt out of specific data collection at this stage.
Why Smart TV Privacy Matters Beyond Your Living Room
The viewing data your smart TV collects does not stay with the TV manufacturer. It flows into a broader data ecosystem:
- Data brokers purchase viewing data and combine it with your name, address, and demographic information to build comprehensive consumer profiles.
- Advertisers use these profiles to target you across devices — the ads you see on your phone and computer may be influenced by what your TV reported you watched.
- Insurance companies and other businesses may use aggregated behavioral data in ways that affect pricing and eligibility decisions.
Disabling ACR and limiting data collection on your smart TV is an important step, but it is part of a larger privacy picture.
Complete Your Privacy Protection
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Combined with the smart TV settings in this guide, PrivacyOn helps you build a comprehensive privacy defense that protects you across all your devices and data sources. Plans start at $8.33/month with family coverage for up to 5 people.