2LowPossibleAnnounced Updated
Unauthorized access to Arcadia services may have leaked contact and user data. About 1.42 million suspicious emails were reported. Services were stopped and restored, and attacks are said to continue.
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 | Possible leak | Not disclosed | SpeeCAN RAIDEN・ライデン・スクール | Source(opens in a new tab) |
| Email address | Possible leak | Not disclosed | SpeeCAN RAIDEN・ライデン・スクール | Source(opens in a new tab) |
| Phone number | Possible leak | Not disclosed | SpeeCAN RAIDEN・ライデン・スクール | Source(opens in a new tab) |
| Name | Possible leak | 9,020 records | NET119（映像通報を除く） | Source(opens in a new tab) |
| Date of birth | Possible leak | 9,020 records | NET119（映像通報を除く） | Source(opens in a new tab) |
| Postal address | Possible leak | 9,020 records | NET119（映像通報を除く） | Source(opens in a new tab) |
| Phone number | Possible leak | 9,020 records | NET119（映像通報を除く） | Source(opens in a new tab) |
| Email address | Possible leak | 9,020 records | NET119（映像通報を除く） | Source(opens in a new tab) |
| Name | Possible leak | Not disclosed | 119RAIDEN（fs119.ktaiwork.jp） | Source(opens in a new tab) |
| Email address | Possible leak | Not disclosed | 119RAIDEN（fs119.ktaiwork.jp） | Source(opens in a new tab) |
| Phone number | Possible leak | Not disclosed | 119RAIDEN（fs119.ktaiwork.jp） | 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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