This week ·

Nikkei Inc.

How they got in, as reported. Stolen or reused passwords.

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Date
19 Oct 2026
Place
Japan
Who
Nikkei Inc.
The way in
Stolen or reused passwords
Source
BleepingComputer
01 · What was reported

What was reported.

Nikkei Inc. disclosed a data breach that exposed approximately 1.83 million records, with at least 150,000 containing personal identifiable information. Attackers gained access to a development system stored in the cloud using stolen...

The way in, as the source states it: stolen or reused passwords.

02 · What we check for it

What we check for it.

Addresses at your domain in monitored breach databases.

03 · If this happens at your firm

If this happens at your firm.

  • Give every work account a second sign-in step, and never use a work password anywhere else.What changes: a code or a tap on the phone at each new sign-in. It stays on. A backup code or a second device covers a lost phone, and the method is changed in the account's security settings.
  • Never approve a sign-in you did not start. A prompt you did not start means your password is known.
  • Change the password of any account that gets prompts nobody started, the same day.
The attacks of 2026, and the habit that stops each →
04 · Source

Source.

Source: BleepingComputer ↗

This page repeats what the source reported, with its date. It says nothing about any firm that is not named in it.