Kumagai.com
“Now Is the Time for Public-Private Cooperation to Protect Japan: Why We Requested Active Cyber Defense” (Japanese only)
https://www.kumagai.com/?eid=19600
Corporate News
Group CEO Masatoshi Kumagai Publishes Blog Post “Kumagai.com” on Unauthorized Access to “Onamae.com Desktop Cloud”
-
SHARE
-
-
October 25, 2026
We sincerely apologize for the serious inconvenience and concern that the unauthorized access to “Onamae.com Desktop Cloud” has caused our customers and all others concerned.
Masatoshi Kumagai, Group Representative of the GMO Internet Group, has published a blog post on this matter.
“Now Is the Time for Public-Private Cooperation to Protect Japan: Why We Requested Active Cyber Defense” (Japanese only)
https://www.kumagai.com/?eid=19600
Inquiries
-
Contact for inquiries about this incident
Contact form: https://help.onamae.com/contact/
Phone: +81-3-5456-2560 (open 24 hours, including weekends and public holidays)
Report 1: https://internet.gmo/en/news/article/246/
Report 2: https://internet.gmo/en/news/article/247/
Report 3: https://internet.gmo/en/news/article/248/
Report 4: https://internet.gmo/en/news/article/249/
Report 5: https://internet.gmo/en/news/article/250/
