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

Shimamura: a system failure from unauthorized access since May 4 briefly stopped cashless payments

A failure from unauthorized access began on May 4 and stopped cashless payments for a day from May 5. It says no personal data leaked.

Disclosed

2022-05-11

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. A system failure from unauthorized access began. [1]

  2. It stopped cashless payments. [1]

  3. Cashless payments were restored. [1]

  4. It announced the case after press reports. The order service was still unavailable and it said no personal data leaked. It withheld details so as not to embolden the criminals. [1]

Timeline

  1. Started, Detected 2022-05-04
  2. Disclosed 2022-05-11
  3. 7 days

Attack or cause

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

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]当社に関する報道についてShimamura Co., Ltd. · 2022-05-11