5CriticalConfirmedAnnounced
Attackers exploited a software flaw and took member data of one store on October 18. Records of 3,147,469 members were affected. No similar access to other stores' data has been found.
This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.
| Data | Status | Count | Group | Evidence |
|---|---|---|---|---|
| Name | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Email address | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Phone number | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Postal address | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Date of birth | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Password | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
| Payment details | Leak confirmed | Not disclosed | — | Source(opens in a new tab) |
| User or member ID | Leak confirmed | 3,147,469 records | — | Source(opens in a new tab) |
Counts are the figures the organization announced. Because the same person may be counted more than once, we do not add the rows together.
General steps based on the type of data involved. Check the organization’s notice or help line to see whether you are affected.
Picked from the cause of the incident: tools that help you check your own systems for the same kind of weakness, or spot the warning signs.
An agentless vulnerability scanner that checks the packages installed on a server and lists the ones affected by known CVEs.
A free security platform (SIEM/XDR) that collects logs, configuration, and vulnerability data from agents on your endpoints and shows it all in one dashboard.
An intrusion detection and prevention engine (IDS/IPS) that matches network traffic against rules and records suspicious activity as alerts.
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