Breach Record

Nikkei

DISCLOSED 2026-10-06 · UNKNOWN · 1,646 RECORDS EXPOSED

Nikkei, a Japanese media company, suffered a cyberattack that may have leaked cloud data of 1,646 people. The attackers sent 9,000 spoofed emails impersonating Nikkei personnel. The scope of the breach is still under investigation.

The record

What we know

Disclosed

2026-10-06

Sector

media

Country

Japan

Records exposed

1,646

Data classes exposed

personal information

Sources

Cited reporting

↗ finance.biggo.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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