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Media and books

Yamakei Online

Yamakei Online (run by Yama-Kei Publishers Co., Ltd.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2020-04-18.

About the service

Website
https://www.yamakei-online.com/
Run by
Yama-Kei Publishers Co., Ltd.
Category
Media and books
For
People

Incident history