Does opting out of smart TV tracking work? Research finds “suspicious” traffic.

Ars Technica · 2026-10-21 · 本文由易迈云（易迈云计算中心）自动采集整理

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[Topic] Does opting out of smart TV tracking work? Research finds “suspicious” traffic.
[Type] Internet Industry News
[Key points]
1. OS operators throwing out that data is "unlikely," research author tells Ars.
[Industries] Internet
[Source] Ars Technica (auto-collected by AiEmy Cloud / AiEmy Cloud StAck)

OS operators throwing out that data is "unlikely," research author tells Ars.

Smart TVs running operating systems from Samsung, Vizio, and Roku continue sending data to automatic content recognition (ACR) endpoints after users opt out of tracking in the devices’ settings, according to research published on Monday. The paper from Northeastern University researchers points to potential privacy violations from some of the biggest TV brands.

ACR captures video screenshots or audio clips from smart TVs and sends the data to remote servers, where it's used for things like measuring content viewership and serving targeted ads.

The paper, "Watching the Watchers: Privacy Analysis of US Smart TV Automatic Content Recognition," examined eight smart TV OSes across 12 smart TVs from 10 manufacturers (Amazon, Hisense, LG, Roku, Samsung, Sony, Supersonic, TCL, Vizio, and Westinghouse) to examine when smart TVs use ACR and how effective opting out of user tracking is.

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