# GMO Links ARTEX Hacking Tool to Japan Attacks

> GMO reports AI hacking tool ARTEX targeted 20 Japanese companies.
- Title: GMO Links ARTEX Hacking Tool to Japan Attacks · RuntimeWire
- Summary: GMO reports AI hacking tool ARTEX targeted 20 Japanese companies. GMO Cybersecurity found ARTEX, an AI-assisted penetration-testing tool, used in attacks on…
- Keywords: gmo, artex, penetration-testing, japan, cyberattacks, companies, technology, Links, Hacking, Tool, Attacks, RuntimeWire
- Source: RuntimeWire — https://runtimewire.com/article/gmo-artex-ai-tool-japan-cyberattacks
- Author: RuntimeWire
- Published: 2026-10-21T01:29:30.329+00:00
- Read time: 1 min
- Topics: gmo, artex, ai, penetration-testing, japan, cyberattacks, companies, technology
## GMO Cybersecurity Report
GMO Cybersecurity by Ierae reported on October 19th that ARTEX, an AI-assisted penetration-testing tool, was found on infrastructure used in attacks targeting about 20 Japanese companies.
## Eight Companies Disclosed Leaks
Eight companies in the observed target set had disclosed data leaks in September and October, and GMO assessed the incidents as the work of the same attack group.
## ARTEX Attack Group Unidentified
GMO's report shows the value and limits of tracking tools: a shared offensive system can help map activity but does not establish who is behind it or link separate national campaigns.
## Key takeaway

GMO Cybersecurity found ARTEX, an AI-assisted penetration-testing tool, used in attacks on 20 Japanese companies.