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ColdRecon / Breach Radar / Nikkei Inc.
Breach Record

Nikkei Inc.

DISCLOSED 2026-10-20 · UNKNOWN · 1,830,000 RECORDS EXPOSED

Nikkei Inc. disclosed a new data breach, the third in about a month, that exposed 1.83 million personal information records. The company said subsets of the data contained personally identifiable information and other sensitive details, but most records contained no identifying info.

The record

What we know

Disclosed
2026-10-20
Sector
media
Country
Japan
Records exposed
1,830,000
Data classes exposed
personal informationpersonally identifiable informationsensitive details
Sources

Cited reporting

This page is the permanent ColdRecon entry for the Nikkei Inc. disclosure. It updates if new public reporting emerges. All tracked breaches →

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