ReportedUpdated 3 Nov 2026
Data breach at Sony-owned internet provider
Data breach1 source
What happened
Attackers broke into the So-net member database and made off with personal information belonging to more than 2.58 million current and former customers, along with the email passwords of 54,401 users.
Reported impact
An affected population has not been established in the accepted evidence.
- Attack method
- unauthorized access by a third party
Source evidence
1Read the original reporting and statements. Multiple articles may rely on the same underlying source.
Help Net Security01Data breach at Sony-owned internet provider compromises 2.6 million customer records - Help Net Security
Published 28 Oct 2026Retrieved 3 Nov 2026
We have confirmed an information leak caused by unauthorized access to the member database
Attributed reporting
Updates and corrections
- Revision 1
Incident updated.