Every public data breach

34 disclosed this week · 26,173 on record

GMO

Disclosed Oct 27, 2026Unverified

Japan internet giant GMO says hackers posted stolen customer data

Japan's GMO Internet is verifying alleged customer data posted by suspected hackers following a cloud service breach.

What is known

People affectedNot stated in the sources we have
DisclosedOct 27, 2026
AttackHacking
Data exposedNot stated
SectorOther
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

History of this record
Added2026-10-28
First recordedby weeklySource

First seen 2026-10-28 (Security news). Record counts are as reported. Not legal advice.

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