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More arrests coming

Europol arrests 25 users of online network accused of sharing AI CSAM

Europol's hunt targets anyone making or sharing AI sex images depicting minors.

Ashley Belanger | 67
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Europe is cracking down on AI-generated sex images of minors. So far, Europol has arrested 25 people in a large-scale ongoing probe called Operation Cumberland and confirmed that more arrests are expected in the coming weeks.

In a press release, Europol said that the 24 arrests occurred simultaneously on February 26 after Danish law enforcement arrested a main suspect in November. That suspect is accused of running "an online platform where he distributed the AI-generated material he produced" for others willing to pay to "watch children being abused," Europol alleged. The network was hidden from casual lurkers and required a "symbolic payment" to access, Europol said.

While fully AI-generated images may not depict real kids, at least one AI model (now scrubbed) has been trained on actual CSAM and images of real kids, so child safety experts fear outputs could potentially depict or resemble a known victim or actual child. And there's growing consensus globally that, in general, AI-generated CSAM harms kids by normalizing child sex abuse through the increased prevalence of CSAM online.

Europol has now joined an increasing number of authorities insisting that AI-generated child sex abuse material (CSAM) is still CSAM. Police globally have warned that AI CSAM is flooding the Internet, and because the technology has rapidly advanced, it's much harder to distinguish between real child sex abuse victims and AI-generated images depicting abuse of fake kids.

Further, Europol warned that AI CSAM is sometimes "being abused by offenders to produce CSAM and for sexual extortion."

"Even in cases when the content is fully artificial and there is no real victim depicted, such as Operation Cumberland, AI-generated CSAM still contributes to the objectification and sexualization of children," Europol's press release said.

In South Korea, where AI-generated deepfake porn has been criminalized, an "emergency" was declared and hundreds were arrested, mostly teens. But most countries don't yet have clear laws banning AI sex images of minors, and Europol cited this fact as a challenge for Operation Cumberland, which is a coordinated crackdown across 19 countries lacking clear guidelines.

"Operation Cumberland has been one of the first cases involving AI-generated child sexual abuse material (CSAM), making it exceptionally challenging for investigators, especially due to the lack of national legislation addressing these crimes," Europol said.

European Union member states are currently mulling a rule proposed by the European Commission that could help law enforcement "tackle this new situation," Europol suggested.

Catherine De Bolle, Europol's executive director, said police also "need to develop new investigative methods and tools" to combat AI-generated CSAM and "the growing prevalence" of CSAM overall.

For Europol, deterrence is critical to support efforts in many EU member states to identify child sex abuse victims. The agency plans to continue to arrest anyone discovered producing, sharing, and/or distributing AI CSAM while also launching an online campaign to raise awareness that doing so is illegal in the EU.

That campaign will highlight the "consequences of using AI for illegal purposes," Europol said, by using "online messages to reach buyers of illegal content" on social media and payment platforms. Additionally, the agency will apparently go door-to-door and issue warning letters to suspects identified through Operation Cumberland or any future probe.

It's unclear how many more arrests could be on the horizon in the EU, but Europol disclosed that 273 users of the Danish suspect's online network were identified, 33 houses were searched, and 173 electronic devices have been seized.

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Ashley Belanger Senior Policy Reporter
Ashley is a senior policy reporter for Ars Technica, dedicated to tracking social impacts of emerging policies and new technologies. She is a Chicago-based journalist with 20 years of experience.
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