HISPI Project Cerebellum
AI Incidents

Japanese Teen Allegedly Uses AI-Generated Program to Breach Kaikatsu Frontier and Leak Data of 7.3 Million Customers

January 18, 2025

A 17-year-old boy in Osaka was reportedly served an arrest warrant for allegedly breaching Kaikatsu Frontier's server using a program purportedly generated with a conversational AI tool. The January cyberattack may have exposed personal data of 7.3 million customers and disrupted business operations. Police say the suspect concealed malicious intent when prompting the AI. He was previously arrested for unrelated credit card fraud.
Alleged deployer
unnamed-17-year-old-boy-from-osaka
Alleged developer
unknown-generative-ai-developers
Alleged harmed parties
kaikatsu-frontier, kaikatsu-frontier-customers

Source

Data from the AI Incident Database (AIID). Cite this incident: https://incidentdatabase.ai/cite/1295

Data source

Incident data is from the AI Incident Database (AIID).

When citing the database as a whole, please use:

McGregor, S. (2021) Preventing Repeated Real World AI Failures by Cataloging Incidents: The AI Incident Database. In Proceedings of the Thirty-Third Annual Conference on Innovative Applications of Artificial Intelligence (IAAI-21). Virtual Conference.

Pre-print on arXiv · Database snapshots & citation guide

We use weekly snapshots of the AIID for stable reference. For the official suggested citation of a specific incident, use the “Cite this incident” link on each incident page.