Breach Record

Nikkei

DISCLOSED 2026-10-22 · UNKNOWN · 1,800,000 RECORDS EXPOSED

Nikkei disclosed a data breach affecting over 1.8 million records. The company found no signs of further damage as of October 16. Nikkei apologized and will inform affected individuals.

The record

What we know

Disclosed

2026-10-22

Sector

media

Country

Japan

Records exposed

1,800,000

Data classes exposed

personal information

Sources

Cited reporting

↗ securityaffairs.com

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

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