# Security firm links AI tool to corporate breaches in Japan

_Published Tuesday, October 20, 2026 at 2:06 AM EDT · Security, AI · Latest · Tier 2 — Notable_

Hackers who recently infiltrated some of Japan's biggest companies used an AI tool developed in China, according to a Tokyo-based internet security firm. The firm linked the same tool to a rash of breaches at South Korean banks last month.

## Sources

- [Bloomberg Technology](https://www.bloomberg.com/news/articles/2026-10-20/ai-tool-that-hacked-korea-banks-were-used-in-japan-gmo-says)

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Canonical: https://techandbusiness.org/newswire/73xkl6WQH3kB4PiBaG0IC4
Published: 2026-10-20T06:06:23.423Z
Story chronology: 2026-10-20T04:42:20.000Z
Retrieved: 2026-10-20T08:40:10.152Z
Publisher: Tech & Business (techandbusiness.org)