Academics at the Radboud University in the Netherlands and IMDEA Networks said they discovered Meta and Yandex have been tracking Android users’ browser activity without their consent and then using the data in their apps.
[The professor] said he discovered Meta’s apps, including Facebook and Instagram, and Yandex’s apps, such as Yandex Maps, were sitting in the background of Android devices and loading a script that sent data locally back to apps on users’ phones.