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South Korean electronics manufacturer LG has strongly denied allegations that its internet-connected smart televisions covertly record household conversations, monitor users while in standby mode, and store captured audio for later transmission to corporate servers. The company's response follows public scrutiny over how its connected screens handle sensitive user data within private residences.
In a statement addressing the matter, LG insisted that voice information is captured exclusively under specific, user-initiated circumstances. The manufacturer explained that audio recording begins only when a viewer presses and holds the microphone button on the remote control, or when the "Hi LG" wake phrase is spoken after a user has deliberately enabled the television's Far-Field voice recognition capabilities.
According to the electronics maker, any audio detected by the system is instantly deleted if the designated wake phrase is not authenticated. LG underscored that outside of these explicit interactions, its smart televisions do not collect, monitor, or record background ambient conversations, maintaining that speech data is processed solely in response to direct consumer commands.
The controversy arose following the publication of an extensive 135-minute technical investigation released by popular technology media channel Gamers Nexus, working alongside Level1Techs and independent cybersecurity researchers. The joint inquiry scrutinized the network traffic, internal software mechanics, and data protection safeguards deployed across LG smart television models.
Through their examination of firmware and local network activity, the researchers alleged that the televisions actively monitor consumer behavior while harvesting an extensive collection of local network metrics, including textual transcripts generated from captured audio.
Among the central claims in the report was the assertion that researchers managed to record audio through an LG television while the device remained in a state of hibernation. The investigation noted that even if a viewer disables the physical microphone switch located on the television chassis, secondary connected inputs, such as the microphone built into the remote control, might remain live.
The researchers also claimed that background noise within a room could be picked up and archived from distances as far as 12 meters (40 feet) away from the television display. While the Gamers Nexus investigation referred to an estimated 216 million "spy TVs" within the United States, official documentation on LG’s website states that the company has 49 million active smart screens in the US and 216 million worldwide.
Yash Vekaria, a computer science researcher at the University of California, Davis, addressed the broader security implications of the findings. Vekaria emphasized that because consumer televisions typically remain in domestic living spaces for several years—often well beyond the timeframe of official manufacturer software update support—prompt security patching from LG is critical to safeguarding user environments.
Vekaria noted that such system vulnerabilities could potentially allow unauthorized parties to intercept highly sensitive conversations, citing hypothetical scenarios such as government officials conducting confidential national security discussions inside a hotel room equipped with an active screen. He explained that digital privacy risks often arise from poor software engineering and selective disclosure, warning that a compromised television could theoretically be commanded to execute arbitrary tasks supported by its hardware.
The independent research team also alleged that when the television encounters unclear speech or unmatched wake-word triggers, the system can convert the audio into plain-text transcripts. These text files can reportedly be retained locally within onboard storage buffers, preserved even during network outages, and subsequently transmitted to LG servers once internet connectivity is restored. Researchers reported finding transcripts generated even after 10 to 15 seconds of silence following an initial "Hi LG" prompt.
Commenting on the delay in data transmission, Vekaria pointed out that real-time voice navigation does not inherently require local queueing. He suggested that audio retained for deferred upload points to secondary uses such as internal diagnostics, system logging, usage analytics, or machine learning model training, arguing that LG should provide greater clarity regarding its specific objectives.
Vekaria noted that while there is no definitive proof indicating that ambient audio or textual transcripts are directly fed into LG’s commercial profiling systems, the company operates an established advertising business supported by household data. This includes Automatic Content Recognition (ACR) tracking technology, with the existing voice processing pipeline appearing to harvest and retain more information than consumers typically expect.
Beyond voice interactions, the investigation highlighted that the televisions perform scans of local household networks, cataloging internal IP addresses, nearby Wi-Fi networks, and geographic location coordinates. LG responded by describing local device discovery as a standard and routine operational feature across modern smart television platforms.
Anna Maria Mandalari, a lecturer in communications and networking at University College London, observed that local device discovery serves several legitimate consumer functions, such as enabling screen mirroring, facilitating media sharing, and connecting domestic smart-home ecosystems like Amazon Alexa.
However, Mandalari warned that depending on how network discovery is structured, a television can capture the hardware names, network addresses, manufacturers, and device types of other equipment on the same Wi-Fi network. Such technical data can reveal the structural composition of a household and assist in compiling a detailed demographic profile of its residents.
LG's commercial advertising division, LG Ad Solutions, has previously highlighted the depth of its data intelligence tools in corporate promotional materials, with company representatives stating in videos that they know who resides within an LG household and which connected devices are present. In response to the investigative findings, LG reiterated that Automatic Content Recognition, voice recognition, and interest-based advertising operate as separate functions requiring explicit opt-in consent, all of which can be disabled through the television's settings menu. The company maintained that it remains committed to operational transparency and firmly rejects deceptive practices.
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