> JapanHacked_
[Resolved][Severity: Moderate][Intrusion]

Japan Post: unauthorized access to one of its mail domains sent about 4,000 unwanted emails

A mail domain held by Japan Post, @jp-international.jp, was accessed without authorization and about 4,000 unintended emails were sent.

Disclosed

2020-02-14

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

From to , about 4,000 unintended emails were sent from addresses on the @jp-international.jp domain. Japan Post noticed on the 7th, changed the password and blocked outside access. [1]

Response

The company said it was investigating the cause with experts. [1]

Timeline

  1. Disclosed 2020-02-14
  2. 1 days

Attack or cause

Method
[Intrusion]
Impact
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][News]保有ドメインへ不正アクセス、迷惑メール送信の踏み台に(日本郵便)ScanNetSecurity · 2020-02-18 10:00