3MediumPartly confirmedAnnounced Updated
Unauthorized access to the Blast Mail email delivery service exposed delivery data of 344 contracts. Affected customers include Piccoma, whose one-time mailing list of 1,002,404 addresses leaked, and many local governments.
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 | Not disclosed | 契約者の管理情報 | Source(opens in a new tab) |
| Phone number | Leak confirmed | Not disclosed | 契約者の管理情報 | Source(opens in a new tab) |
| Email address | Leak confirmed | Not disclosed | 契約者の管理情報 | Source(opens in a new tab) |
| Name | Leak confirmed | up to 253,000 people | 新潟日報・配信先 | Source(opens in a new tab) |
| Email address | Leak confirmed | up to 253,000 people | 新潟日報・配信先 | Source(opens in a new tab) |
| Postal address | Leak confirmed | up to 253,000 people | 新潟日報・配信先 | Source(opens in a new tab) |
| Name | Possible leak | about 140,000 people | HISホテル・配信先 | Source(opens in a new tab) |
| Email address | Possible leak | about 140,000 people | HISホテル・配信先 | Source(opens in a new tab) |
| Name | Possible leak | 6,334 records | 横浜市・配信先 | Source(opens in a new tab) |
| Email address | Possible leak | 6,334 records | 横浜市・配信先 | Source(opens in a new tab) |
| Email address | Possible leak | up to 100,000 records | 東北電力フロンティア・配信先 | Source(opens in a new tab) |
| User or member ID | Possible leak | up to 100,000 records | 東北電力フロンティア・配信先 | Source(opens in a new tab) |
| Name | Leak confirmed | up to 16,000 records | 東京都農林水産振興財団・委託事業 | Source(opens in a new tab) |
| Email address | Leak confirmed | up to 16,000 records | 東京都農林水産振興財団・委託事業 | Source(opens in a new tab) |
| Name | Possible leak | about 1,700 companies | 金沢市消防局・配信先 | Source(opens in a new tab) |
| Email address | Possible leak | about 1,700 companies | 金沢市消防局・配信先 | Source(opens in a new tab) |
| Postal address | Possible leak | about 1,700 companies | 金沢市消防局・配信先 | Source(opens in a new tab) |
| Email address | Leak confirmed | about 80,000 records | 東京メトロ・イベントメール | Source(opens in a new tab) |
| Email address | Possible leak | up to 500 people | 47行政ジャーナル | Source(opens in a new tab) |
| Name | Possible leak | Not disclosed | 長野県3サイト | Source(opens in a new tab) |
| Email address | Possible leak | Not disclosed | 長野県3サイト | Source(opens in a new tab) |
| Postal address | Possible leak | Not disclosed | 長野県3サイト | Source(opens in a new tab) |
| Email address | Leak confirmed | 1,002,404 records | ピッコマ・メルマガ1回分の配信先 | 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.
UpDown to select Enter to open Esc to close