Apple Knew AirDrop Users Could Be Identified and Tracked as Early as 2019

Security researchers warned Apple as early as 2019 about vulnerabilities in its AirDrop wireless sharing function that Chinese authorities claim they recently used to track down users of the feature, the researchers told CNN, in a case that experts say has sweeping implications for global privacy. From a report: The Chinese government's actions targeting a tool that Apple customers around the world use to share photos and documents -- and Apple's apparent inaction to address the flaws -- revive longstanding concerns by US lawmakers and privacy advocates about Apple's relationship with China and about authoritarian regimes' ability to twist US tech products to their own ends.

AirDrop lets Apple users who are near each other share files using a proprietary mix of Bluetooth and other wireless connectivity without having to connect to the internet. The sharing feature has been used by pro-democracy activists in Hong Kong and the Chinese government has cracked down on the feature in response. A Chinese tech firm, Beijing-based Wangshendongjian Technology, was able to compromise AirDrop to identify users on the Beijing subway accused of sharing 'inappropriate information,' judicial authorities in Beijing said this week. Although Chinese officials portrayed the exploit as an effective law enforcement technique, internet freedom advocates are urging Apple to address the issue quickly and publicly.

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