FBI warns: these apps are tracking you without you knowing 2026

David Hansen
FBI warns: these apps are tracking you without you knowing
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The FBI issued an official public information notice (PSA) on March 31, 2026, urging smartphone users to seriously consider the risks posed by foreign-developed apps, especially those from companies based in China. The warning isn't just for the US — the FBI itself points out that the problem is global. Which apps are targeted? The FBI doesn't name specific apps, which would be impossible since lists of the most popular apps change all the time. The focus is on applications developed by companies that maintain digital infrastructure in China. These companies are subject to Chinese national security laws, which gives the country's government access to their users' data. According to the FBI, once a user accepts an app's permission requests, data collection isn't limited to the app's use — it becomes continuous and spans the entire device, even when the app isn't actively running in the foreground. What data is collected — and where it is stored One of the most worrying parts of the announcement concerns contact books. Many apps offer an option to "invite friends" or sync contacts — which uploads the user's entire contact list, including names, phone numbers, emails and addresses, even of people who don't use the same app. According to the FBI, some applications explicitly state in their privacy policies that the collected data is stored on servers located in China, for as long as the developers themselves deem necessary. Some applications even do not allow their use at all if the user refuses to consent to the sharing of data.

FBI προειδοποίηση εφαρμογές δεδομένα

The risk of malware Beyond legal data collection, the FBI also cites the risk of malicious code being embedded in applications. In particular, some applications may contain malware that exploits known security gaps in operating systems, creating a backdoor for unauthorized access to user data. The risk increases significantly when apps are downloaded from unofficial stores or unknown websites, rather than from the App Store or Google Play, which perform checks for malicious content. What does the FBI recommend for your protection? The FBI makes five specific recommendations: Disable unnecessary data sharing Download apps exclusively from official stores Change and update passwords regularly Update device software at regular intervals Read the terms of use before installing any application The FBI's warning is not just an American affair — it concerns every smartphone user worldwide, including Greeks who use dozens of apps every day without checking access permissions. The problem is not the technology, but the habit of clicking "Accept" on everything without reading what we consent to. A quick check of app permissions in your device settings can make a big difference. SOURCE

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David Hansen

Author

David Hansen

An engineer, author and high-tech enthusiast whose passion has been evolving for 12 years. After contributing to numerous online publications, David shares his experiences and discoveries on Grand Goldman. He focuses on Smart Homes, Connected Devices, and how they will improve our lives and society in the future.


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