

Behind the Scenes: The Technology That Powers ProtectionAI
Thank you, as always, for supporting PAPS and its work. This time, we would like to share a look behind the scenes at the technology behind ProtectionAI, a system PAPS is developing. To keep searching for images of victims, we must continuously collect enormous numbers of images and videos from the internet, detect faces, and match them—without interruption. This part of our work is rarely visible, but keeping ProtectionAI running actually depends on many layers of technical
5 days ago


Toward Revising the Anti-Prostitution Act: What PAPS Told the Ministry of Justice Study Group
Thank you, as always, for supporting PAPS and its work. On April 7, 2026, PAPS was invited to the second meeting of the Ministry of Justice's "Study Group on the Regulation of Prostitution", where we spoke about the realities on the ground and the need for legal reform as seen from the field. The study group was established for the national government to review Japan's current laws and regulations concerning prostitution. In this newsletter, we report to our supporters on wha
Jul 24


How AI Is Changing Support for Victims of Sexual Image Abuse
Once an image spreads on the internet, finding it again is extremely difficult. Images end up on social media, message boards, overseas sites, and video sites—there is a limit to how much can be done by human hands alone.
Since 2019, with a grant from the Mitsubishi Foundation, PAPS has researched and developed countermeasures using machine learning, and since fiscal 2022 we have worked in earnest on an AI-powered support system.
May 20


Press Briefing on the "Study Group on the Regulation of Prostitution"
PAPS will hold a press briefing on the Ministry of Justice "Study Group on the Regulation of Prostitution" from 3:30 p.m. on Monday, May 11.
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