Severity: ElevatedAction: Be aware

Hackers Steal 2.6 Million Records From Sony’s Japanese ISP So-net

The data of So-net and Plala customers in Japan was exposed, along with 54,401 email account passwords and 16 bank account records.

Excerpt from the primary source: SecurityWeek

Who is affected

Home users

What you should do · Be aware

No immediate action is required, but be alert to related scams or suspicious messages.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

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Original reporting

Hackers Steal 2.6 Million Records From Sony’s Japanese ISP So-net SecurityWeek · securityweek.com · Oct 29, 2026 · Primary source