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

Yamadai: its official website was accessed without authorization and defaced

Text on its official website was rewritten and other damage occurred, so it stopped the site. Recovery was planned for November 15.

Disclosed

2021-11-08

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. Text on the site was rewritten into odd letters and images stopped displaying. The IT firm that develops the site found traces of unauthorized access, and the site was stopped that day. [1] [2]

  2. It announced the case. With an external specialist it was determining the scope of impact. It planned to restore the site, except for some functions, around 14:00 on November 15. [1] [2]

Timeline

  1. Detected 2021-11-05
  2. Disclosed 2021-11-08
  3. 3 days

Attack or cause

Method
[Intrusion]
Impact
[Site defacement][Service outage]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]不正アクセスによる公式ホームページ障害に関するお詫びとお知らせYamadai Co., Ltd. · 2021-11-08
  2. [2][News]即席カップ麺メーカーのヤマダイにサイト改ざん被害、復旧は11月15日を予定Nikkei xTECH · 2021-11-08