GMO Internet Group said in an October 28 disclosure that it had not yet calculated the total cost of customer payments and other measures responding to a cyber incident. The incident concerns a desktop cloud service run by subsidiary GMO Internet, Inc.
Reported bond spread
BlockBeats, citing Bloomberg-compiled data, reported a spread of about 174 basis points on October 28 for a GMO Internet Group yen bond maturing in June 2031. That compared with about 122 basis points on October 20.
Sources: GMO’s October 28 disclosure and the BlockBeats report, published October 29, 2026, at 04:54:44 UTC.