The first says that in-app ads are being used to gather data intended to identify your iPhone and send highly sensitive data to security services, while the second found that apps like Facebook and TikTok are using a vulnerability in the way push notifications are handled by iOS to obtain the data for their own use ...
Whenever you visit a website, your browser hands over a bunch of data intended to ensure that the site displays correctly on your device. A website needs to display itself very differently on an iMac and an iPhone, for example...
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