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The US Department of Justice sued TikTok today, accusing the short-video platform of illegally collecting data on millions of kids and demanding a permanent injunction "to put an end to TikTok’s unlawful massive-scale invasions of children’s privacy."

The DOJ said that TikTok had violated the Children’s Online Privacy Protection Act of 1998 (COPPA) and the Children’s Online Privacy Protection Rule (COPPA Rule), claiming that TikTok allowed kids "to create and access accounts without their parents’ knowledge or consent," collected "data from those children," and failed to "comply with parents’ requests to delete their children’s accounts and information."

The COPPA Rule requires TikTok to prove that it does not target kids as its primary audience, the DOJ said, and TikTok claims to satisfy that "by requiring users creating accounts to report their birthdates."

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Photos of Brazilian kids—sometimes spanning their entire childhood—have been used without their consent to power AI tools, including popular image generators like Stable Diffusion, Human Rights Watch (HRW) warned on Monday.

This act poses urgent privacy risks to kids and seems to increase risks of non-consensual AI-generated images bearing their likenesses, HRW's report said.

An HRW researcher, Hye Jung Han, helped expose the problem. She analyzed "less than 0.0001 percent" of LAION-5B, a dataset built from Common Crawl snapshots of the public web. The dataset does not contain the actual photos but includes image-text pairs derived from 5.85 billion images and captions posted online since 2008.