[Investigating][Severity: Moderate][Intrusion]

Yamato Holdings: a server of its Hong Kong subsidiary was accessed without authorization

On May 29 it confirmed unauthorized access by a third party to a server of Yamato Transport Hong Kong. Other group companies are not affected.

Disclosed

2023-06-06

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

2023-05-29
It confirmed unauthorized access by a third party to a server of Yamato Transport Hong Kong. [1]
2023-06-06
It announced the case and confirmed that other Yamato group companies are not affected. [1]

Impact

The access stayed within the server of Yamato Transport Hong Kong, and it confirmed that there is no effect on the servers and networks of other group companies including Yamato Holdings. The cause and range of impact are under investigation. [1]

Timeline

Started, Detected 2023-05-29
Disclosed 2023-06-06
8 days

Attack or cause

Method: [Intrusion]
Impact
Entry point: Unknown

Data exposed or at risk

–

Organizations involved

[Breached][Moderate]Tokyo, ChuoTransport and postal services
Yamato Holdings Co., Ltd.
The access hit a server of its subsidiary Yamato Transport Hong Kong.

						Note
Yamato Holdings Co., Ltd.	[Breached]	[Moderate]	Tokyo, Chuo	Transport and postal services	Unknown	The access hit a server of its subsidiary Yamato Transport Hong Kong.

Open in organization search

Sources

[1][News]ヤマトの海外子会社サーバに不正アクセス、他グループ企業には影響無しScanNetSecurity · 2023-06-14 08:05