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TV Models
ACR Android TV CyberCrime Cyberhackers Cybersecurity CyberThreat Smart TV Technology TV Models

Understanding ACR on Smart TVS and the Reasons to Disable It

 


Almost all leading TV models in recent years have been equipped with Automatic Content Recognition (ACR), a form of advanced tracking technology designed to analyse and monitor viewing habits that is a key component of most television sets. As a result of this system, detailed information is collected about the content being displayed on the screen, regardless of the source — whether it is a broadcast, a streaming platform, or an external device. 

A centralised server processes and evaluates this data once it has been captured. It is the purpose of television manufacturers to use these insights to construct comprehensive user profiles so they can better understand how individuals view the media and how they prefer to watch it. Following this gathering of information, it is used to deliver highly targeted advertising content, which is tailored to align closely with the interests of the viewers. 

It is important to realise, however, that even though ACR can improve the user experience by offering tailored advertisements and recommendations, it also raises significant concerns concerning data privacy and the extent to which modern smart televisions can monitor the user in real time. Using automatic content recognition (ACR), which is a sophisticated technology integrated into most modern smart televisions, users can detect and interpret the content presented on the screen with remarkable accuracy.

The technology uses audiovisual signals that have been captured by the system, whether they are images, sounds, or both, and compares them with an extensive database of indexed media assets, such as movies, television programs, commercials, and other forms of digital content. By working in the background seamlessly, ACR captures a wide range of behavioural data without having to be actively involved on the part of the user. 

The system tracks patterns such as how long a user watches a video, what channel they prefer, and how they use it most. This information proves immensely valuable to a wide range of stakeholders, including advertisers, distributors of content, and manufacturers of devices. By using these insights, companies can better segment their audiences, deliver more targeted and relevant ads, and make better recommendations about content. 

Even though ACR is often positioned as a tool to help consumers with their personalisation experience, its data-driven capabilities bring up critical concerns relating to personal privacy and informed consent. Even though users have the option to opt out of Automatic Content Recognition (ACR), finding the right settings can often prove to be a challenge, since television manufacturers tend to label the feature under different names, resulting in a confusing process when it comes to deactivating the feature.

It is possible to deactivate the OneClick capability of Samsung's smart TVS through the viewing information service menu. 

Samsung identifies its OneClick capability as part of the Viewing Information Service menu. To deactivate this feature, simply navigate to: Settings > All Settings > Terms & Privacy > Privacy Choices > Terms & Conditions, Privacy Policies, then deselect the Viewing Information Services checkbox. 

LG brands its ACR functionality as Live Plus. To turn this off, press the settings button on the remote control and follow the path: 
All Settings > General > System > Additional Settings, and then switch off the Live Plus option.

For Sony televisions operating with Samba Interactive TV, the ACR service can be disabled by going to: Settings > System Preferences > Samba Interactive TV, and selecting the Disable option. 

In the case of Roku TV, users can restrict ACR tracking by accessing: Settings > Privacy > Smart TV Experience, and toggling off Use Info from TV Inputs. 

On Android TV or Google TV devices, ACR-related data sharing can be limited by going to Settings > Privacy > Usage and Diagnostics, and disabling the corresponding toggle. 

For Amazon Fire TV, begin by navigating to: Settings > Preferences > Privacy Settings, and turning off both Device Usage Data and Collect App Usage Data. Then proceed to Preferences > Data Monitoring, and deactivate this setting as well. 

With VIZIO TVS, the ACR feature is labelled as Viewing Data. 

To turn it off, go to: System > Reset & Admin > Viewing Data, and press OK to disable the function. It is through these steps that users can gain a greater level of control over their personal information as well as limit the extent to which smart television platforms are tracking their behaviour.

To identify media content in real time, Automatic Content Recognition (ACR) technology uses advanced pattern recognition algorithms that recognize a variety of media elements in real time, utilizing advanced pattern recognition algorithms. To accurately determine what is being watched on a smart television, the system primarily uses two distinct methods – audio-based and visual-based recognition.

During the process of ACR based on audio, a small sample of sound is recorded from the programming being played currently. These audio samples, including dialogue, ambient sounds, music scores, or recognisable jingles, are analysed and matched against a repository of reference audio tracks, which are compiled by the system. By comparing these audio samples, the system can identify with accuracy the source and nature of the content that is being analysed. 

ACR, based on visual images capture, on the other hand, takes stills and images directly from the screen and compares them to an extensive collection of images and video clips stored in a database. By identifying a specific set of visual markers, the system can recognise a specific television show, a movie, or a commercial advertisement precisely and quickly. 

After a successful match has been established—whether through auditory or visual means—the ACR system collects the viewing data and transmits it to a server managed by a manufacturer, an advertiser, or a streaming service provider who manages external servers. Using the collected information, we can analyse content performance, display targeted advertisements, and improve the user experience for users.

The technology provides highly tailored content that is highly efficient, but it also raises significant concerns about the privacy and security of personal data. Automatic Content Recognition (ACR), on the other hand, represents an enormous advance in the ways smart televisions interact with their end users, advertisers, and content distributors. 

By monitoring the viewership of a particular event in real time and delivering detailed audience analytics, ACR has effectively integrated traditional broadcasting with the precision of digital media ecosystems. Consequently, this convergence enables more informed decision-making across the entire media value chain, from content optimisation to advertising targeting. 

There is growing awareness among consumers and industry stakeholders of the importance of gaining a comprehensive understanding of ACR technology as smart TVS continue to be adopted across the globe. In terms of advertisers and content providers, ACR is a powerful tool that offers them an opportunity to make their campaigns more efficient and engage their viewers more effectively. 

In addition, it raises many important questions in regards to digital privacy, data transparency, and ethical behaviour when using personal information. The future of television will be shaped by the continued development and implementation of ACR, which will have a pivotal influence on what makes TV successful in the future. ACR will be crucial to ensure that it contributes positively to the industry, its audiences and the community it serves by balancing technological innovation with responsible data governance.

In a report by The Markup, Automatic Content Recognition (ACR) technology has been reported to have the capability of capturing and analysing up to 7,200 visual frames per hour, the same as about two images per second. With high-frequency data collection, marketers and content platforms can conduct a level of surveillance that is both valuable in terms of marketing and content production.

This tool enables marketers to create a comprehensive profile of their prospects based on the correlation between their viewing habits and identifiable personal information, which can include IP addresses, email addresses, and even physical mailing addresses. These insights enable marketers to target a targeted audience and deliver content accordingly. 

With the help of real-time viewership patterns, advertisers can fine-tune their advertisements based on their target audience, and the effectiveness of their campaigns can also be measured by tracking which advertisements resulted in consumer purchases. The benefits of using this approach for content distributors include optimising user engagement and maximising revenue, however, the risks associated with data security and privacy are significant.

There is a danger in the absence of appropriate safeguards that can prevent misuse or unauthorised access to sensitive personal data collected through ACR. ACR technology is a very powerful tool for stealing identity information, as well as compromising personal security in extreme cases. ACR technology is also known for its covert nature, which is one of the most concerning aspects of the technology. 

ACR usually operates in the background without the user's awareness or active consent, operating silently in the background without their explicit knowledge or consent. While it is possible to disable ACR, it is usually a cumbersome and often obscure process hidden within the user interface of the television. As a result, it can be both time-consuming and frustrating in some cases when users need to navigate through numerous menus and settings to opt out of the software.

Individuals who consider this level of tracking intrusive or ethically questionable may want to restrict ACR functionality, although it does require deliberate effort. Guidance is available to help individuals through the process. To help users take better control of their digital privacy, I'm including step-by-step instructions in this section on how to disable the automatic recognition feature of several major smart TV brands.
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Vo1d
Android TV DDOS Attacks malware Vo1d

Malware Attack on Android TV Devices Affects Over 1.6 Million Users

 



Cybersecurity researchers have discovered a new form of malware that is spreading through Android TV devices across the globe. This malware, known as Vo1d, has already infected over 1.6 million devices, turning them into remote-controlled bots used for illegal activities without the owners’ knowledge.  

The Vo1d malware has existed for a while, but researchers at XLab recently identified a stronger, more advanced version that makes it harder to detect and remove. This upgraded variant has been designed to avoid being analyzed or controlled by cybersecurity experts, making it a serious concern for Android TV users.  


How the Vo1d Malware Works  

Once Vo1d malware enters an Android TV device, it secretly connects it to a network controlled by hackers, known as a botnet. This allows the attackers to control thousands of devices at once without the owners realizing it. These devices are then used to carry out illegal activities like DDoS attacks and ad click fraud.  

In a DDoS (Distributed Denial of Service) attack, a large number of devices flood a website or service with so many requests that it crashes, making it inaccessible. On the other hand, ad click fraud involves the infected devices automatically clicking on online ads, creating fake revenue for dishonest advertisers. Both of these activities can cause financial losses to companies and harm online platforms.  

The malware has been particularly active in countries like Argentina, Brazil, China, Indonesia, South Africa, and Thailand. However, since it is spreading rapidly, users in other countries should also remain cautious.  


Why This Malware Is Difficult to Detect  

One of the main challenges with the new Vo1d variant is that it uses advanced encryption methods, which prevent cybersecurity professionals from studying or controlling it. It also hides deep within the device’s system, making it nearly impossible for regular antivirus software to detect and remove it.  

This ability to stay hidden allows the malware to operate silently for long periods, allowing hackers to keep using the device for illegal purposes. As a result, users may remain unaware that their device has been compromised.  


How to Protect Your Android TV Device  

To reduce the chances of your Android TV being infected by Vo1d, consider following these precautionary steps:  

1. Buy From Trusted Sources: Always purchase Android TV devices from well-known brands or official retailers. Avoid buying from unknown sellers, as some devices may already be compromised before purchase.  

2. Update Regularly: Install all firmware and security updates provided by the device manufacturer. These updates often fix vulnerabilities that malware exploits.  

3. Download Apps Carefully: Only download apps from official platforms like the Google Play Store. Avoid installing apps from third-party websites, as they may carry hidden malware.  

4. Watch for Unusual Activity: If your Android TV starts slowing down, overheating, or using too much data without reason, it may be infected. In such cases, reset your device and consider installing a trusted antivirus app.  

5. Secure Your Network: Make sure your home Wi-Fi has a strong password and activate firewall settings to reduce the chances of remote attacks.    


The rapid spread of Vo1d malware has raised concern among cybersecurity experts. With over 1.6 million devices already infected, users need to stay alert and take protective measures. By purchasing devices from verified sources, keeping software updated, and avoiding untrusted apps, users can reduce their risk of falling victim to such malware attacks.  

Staying informed about new threats and remaining cautious with device usage is the best way to keep your Android TV safe from harmful malware like Vo1d.

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Vo1d Botnet
Advertising Scams Android TV IoT malware Network Security Vo1d Botnet

Android TV Users Watch Out: Dangerous Vo1d Botnet Hits 1.6 Million Devices

Android TV Users Watch Out: Dangerous Vo1d Botnet Hits 1.6 Million Devices

Hackers are upping their game, getting better through attacks and strategies. The latest incident of this rise is the disturbing spread of the Vo1d malware botnet. Vo1d is a highly sophisticated malware and infected around 1,590,299 Android TV devices throughout 226 countries, changing them into “anonymous proxy servers" for malicious activities. 

Why is Vo1d malware so dangerous?

Vo1d is considered dangerous because of its persistence and potential to expand despite earlier discoveries by cybersecurity experts.

Research by Xlab suggests Void had 800,000 active bots, “Peaking at 1,590,299 on January 14, 2025.” Experts believe the botnet is being rented to hacking groups for various illegal activities, from escaping regional internet restrictions to ad frauds. 

Vo1d’s campaign trend suggests that the devices are leased out and then returned, causing a sharp rise and fall in the number of active bots in particular regions. The highest impact has been noticed in South Africa, Argentina, Brazil, China, and Thailand.

About Vo1d Malware 

Vo1d is not your average Joe, it is one of the most advanced and biggest malware in recent years, outperforming deadly botnets such as Bigpanzi and Mirai. Its Command and Control (C2) framework uses 2048-bit RSA encryption and Domain Generation Algorithms, making it indestructible. Vo1d uses 32 DGA seeds to create over 21,000 C2 domains, making it operational despite attempts to close its network.

It transforms infected devices into proxy servers, allowing threat actors to reroute malicious traffic via infected devices, hiding their source location and escaping detection. 

The proxies are then used for various illegal activities such as:
  1. Illegal Transactions
  2. Security evasion 
  3. Advertising Frauds

What makes Vo1d even more dangerous is its evolving nature

V01d is considered a severe threat due to its “evolving nature”. According to Forbes, the “latest version includes enhanced stealth capabilities and custom XXTEA encryption, further complicating detection and removal efforts.” In case researchers can register a C2 domain, they “can’t issue commands to disable the botnet due to the strong encryption measures in place."

The malware also uses special plugins like Mzmess SDK, used for ad-clicking scams. The SDK allows the botnet to mimic “human-like” interface, scamming advertising networks into payments. Vo1d can also harvest system data such as IPs, device specs, and network info from compromised devices. This can trigger further attacks. 

Evolution of Vo1d malware

Another important highlight about Vo1d’s expansion is its attack strategy. Although the experts don't know the infection vector, they believe the malware distributes via harmful firmware updates, Android TV system vulnerabilities, or sideloaded apps. Experts also suspect that illegal streaming services and infected third-party app stores may contribute to spreading the malware.

Tips to Stay Safe

IoT and Android TV users should follow these precautions to lower the chances of attacks:
  1. Update update update! Hackers exploit vulnerabilities in outdated software. 
  2. Buy IoT devices and Android TV from authorised manufacturers. Avoid third party sellers. 
  3. Disable “remote access” (if enabled) on your Android TV and IoT device, unless absolutely needed. 
  4. Only install apps from Google Play Store. Avoid installing apps from third-party.
  5. Disconnect inactive devices from the internet, if not in use.
  6. Use a network monitoring tool to identify malicious internet traffic patterns and find out about a compromised device.

Users should be more careful

Xlab warns about the dangers of Vo1d malware, “Many users harbor misconceptions about the security of TV boxes, deeming them safer than smartphones and thus rarely installing protective software.” 

Higlighting the dangers of using modded apps and software, Xlab says the “widespread practice of downloading cracked apps, third-party software, or flashing unofficial firmware—often to access free media—greatly increases device exposure, creating fertile ground for malware proliferation.”
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