Russia’s biggest internet company has embedded code into apps found on mobile devices that allows information about millions of users to be sent to servers located in its home country.
The revelation relates to software created by Yandex that permits developers to create apps for devices running Apple’s iOS and Google’s Android, systems that run the vast majority of the world’s smartphones.
Yandex collects user data harvested from mobiles, before sending the information to servers in Russia. Researchers have raised concerns the same “metadata” may then be accessed by the Kremlin and used to track people through their mobiles.
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