Keisei Construction: its server was hit by ransomware and part of the stored data was encrypted

On April 8 its server was accessed without authorization and part of the stored data was encrypted.

Disclosed

2022-04-18

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

2022-04-08
It found that its server had been accessed without authorization and part of the stored data had been encrypted. [1]
2022-04-18
It announced the case. [1]

–

						Note
Keisei Construction Co., Ltd.	[Breached]	[Moderate]	Chiba, Funabashi	Construction	Unknown