Who attacked Japan Exchange Group [PUBLISHING]?

root, a ransomware group, claimed the attack on Japan Exchange Group [PUBLISHING] on December 7, 2025. This cyberattack was formally announced and is tracked with 0 community validation(s).

What is the status of the attack on Japan Exchange Group [PUBLISHING]?

Current status: Announced. Data is not yet public. The attack was discovered on December 7, 2025 and 0 validation(s) have been recorded by the community.

In which country is Japan Exchange Group [PUBLISHING] located?

Japan Exchange Group [PUBLISHING] is an organization based in JP operating in the Finance sector.

What is the timeline of the attack on Japan Exchange Group [PUBLISHING]?

The attack follows a documented timeline of 3 events. First event: Enrichissement AI (December 7, 2025). Latest event: Annonce publique (December 7, 2025). Each stage is tracked and validated by the DataInTheDark community.