Threat Pulse 62High
Yumir Link email service breach grows to 51.62 million records; JR Central, West and Kyushu customers hit
Severity 7ActiveconfirmedCredentials and personal dataLogistics and transport

Email delivery provider Yumir Link said leaked email addresses and other data now total 51.62 million, up from about 9 million announced Oct 19. JR Central, JR West and JR Kyushu said Shinkansen reservation system customer data was included.

What to do: Oct 27: Gundam Base member service: 346,247 email addresses leaked through Yumir Link. Oct 29: Spread: furusato-tax site Satofull leaked data through Yumir Link (Cuenote FC); 31 municipalities, including Aizuwakamatsu and Tsuruga, are warning residents. Bandai Namco now counts 346,000+ customer emails (NHK).

· 10 days ago · Yumir Link disclosure (PDF)
On X
@Sankei_newsverifiedOct 26, 12:55 UTC

JR3社の予約システムから個人情報漏洩、被害件数確認中 ユミルリンク不正アクセスで

Open on X
@hst_tvasahiverifiedOct 26, 13:05 UTC

個人情報流出5162万件に…当初発表から大幅増(ユミルリンク)。JR東海・JR西日本・JR九州の顧客情報が含まれているという。

Open on X
@denfaminicogameverifiedOct 27, 14:01 UTC

「ガンダムベース」の会員サービスでメールアドレスなど34万6247件が漏えい。メール配信の委託先・ユミルリンクに不正アクセス パスワードやクレジットカード情報は対象外で、発表時点で二次被害も確認されていない。サービスは利用可能で、不審なメールに注意を呼びかけ

Open on X
@securityLab_jpverifiedOct 28, 23:32 UTC

【更新】さとふるで情報漏えい、福島県会津若松市・敦賀市など31自治体が注意喚起 ユミルリンクへの不正アクセスがふるさと納税に波及 #セキュリティ対策Lab #security #securitynews #セキュリティ #セキュリティニュース

Open on X
@nhk_newsverifiedOct 28, 05:47 UTC

バンダイナムコ 顧客メールアドレスなど漏えい 34万6000件余 #nhk_news

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Plan rubric with caps (verified sweep, Oct 26)

Updated Nov 5, 01:46 UTC. Refreshes on its own.

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