> JapanHacked_
[Investigating][Severity: Moderate][Unknown]

Tokyo Metropolitan Government: the mail-sending service of its condominium management reporting system was abused to send 2,044 spam emails

On July 31 the mail-sending service of the reporting system was abused to send 2,044 spam emails. A possible leak is being checked.

Disclosed

2022-08-01

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. The contractor received 721 bounce replies at 1:48 a.m. and 715 at 7:01 a.m., and found that the mail-sending service was being abused. The contractor changed the ID and password. [1]

  2. It announced the case. There were 2,044 spam emails (1,436 of them errors), and a possible leak is being checked. [1]

Timeline

  1. Detected 2022-07-31
  2. Disclosed 2022-08-01
  3. 1 days

Attack or cause

Method
[Unknown]
Impact
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]メール送信サービスの不正利用|東京都Tokyo Metropolitan Government · 2022-08-01