Mikazuki: its online shop was broken into, and up to 464 card records may have leaked

Card data entered at checkout from September 2019 to May 2020 may have been stolen.

Disclosed

2020-11-25

Organizations involved

Leaked or at risk

464

Downtime

Unknown

What happened

2019-09-30
From this day to May 25, 2020, card data entered on the site could be sent out. [1]
2020-06-29
A card company raised the problem and the site was stopped. [1]
2020-09-30
The outside investigation ended. [1]
2020-10-05
The company consulted the police. [1]
2020-10-12
It reported to the Personal Information Protection Commission. [1]
2020-11-25
It began notifying affected customers by mail. [1]

Up to 464 card records from payments between September 30, 2019 and May 25, 2020 may have leaked. [1]

Service	Role	Impact level	Note
Mikazuki online shop	[Breached]	[Critical]

[Breached][Critical]Niigata, Niigata, KonanAccommodation, food and drink464 leaked
Mikazuki Co., Ltd.

						Note
Mikazuki Co., Ltd.	[Breached]	[Critical]	Niigata, Niigata, Konan	Accommodation, food and drink	464