An attempt by Baidu, Tencent and ByteDance to circumvent Apple’s privacy policies, called CAID, failed after Apple blocked app updates (Patrick McGee / Financial Times)

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A co-ordinated attempt by Chinese tech companies to circumvent Apple’s privacy policies has been forestalled, a significant victory for the iPhone-maker in what was seen as a threat to its global privacy push.

Tech groups led by Baidu, Tencent and TikTok parent ByteDance had worked with two Beijing-affiliated groups to create a new way of tracking iPhones for advertising, called CAID, that would let them identify users even if they refused to let apps use Apple’s official ID, called IDFA.

CAID was developed last year and had been openly tested for months before a planned release in late March. After the Financial Times reported on its existence, advertising technology experts said the project marked a grave risk to Apple’s global privacy rules and its $50bn business in China.

Eric Seufert, a consultant, had said the co-ordinated attempt placed Apple in “an impossible situation”. He said Apple would have to choose between rejecting CAID, risking the ire of Beijing, or taking the embarrassing decision of allowing it and conceding that the world’s most populous country played by different rules.

“Apple has a catastrophe on its hands,” he wrote on Twitter.

Apple made its position clear shortly afterwards by blocking updates to several Chinese apps that it had caught enlisting CAID in their software updates from its App Store.

Several people in China and Hong Kong said that, following Apple’s retaliation, CAID lost support and the whole project failed to gain traction.

“This is a clear victory for Apple, and also consumer privacy, as the tech giants of China have been forced to back down and comply with Apple’s rules,” said Rich Bishop, chief executive of AppInChina, a leading publisher of international software in China.

“The Chinese app ecosystem was collectively baiting the bull with CAID, under the theory that Apple couldn’t afford to ban every major app in the market,” added Alex Bauer, head of product marketing at adtech group Branch.

“Apple called their bluff, and seems to have reasserted control over the situation by aggressively rapping knuckles on early adopters, before the consortium gained any real momentum.”

ByteDance did not respond to requests for comment. Tencent and Baidu declined to comment. Apple would not mention CAID specifically, but reiterated that its “App Store terms and guidelines apply equally to all developers around the world” and that “apps that are found to disregard the user’s choice will be rejected”.

Although CAID was spearheaded by the state-backed, 2,000 member China Advertising Association and the China Academy of Information and Communications Technology, a research institute directly under the Ministry of Industry and Information Technology, it was not clear if these groups had the full support of Beijing.

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