← All reports

JR East failed to adequately protect user data, leading to a significant breach of personal information.

Data SecurityPrivacyCybersecurityPublic SafetyOct 9, 2026score 0.772 posts · 0 replies across 1 instances
The thread discusses a data breach involving JR East's systems, where personal information of up to 609,000 individuals was leaked through unauthorized access to IDCF cloud services. The posts highlight the scale and severity of the incident, emphasizing concerns over data security and privacy.

Claims

JR East failed to adequately protect user data, leading to a significant breach of personal information.
Parent: Data SecurityEntity: JR EastImpact: negativeDate: Oct 9, 2026Target: JR East's data security measures

Source posts

@[email protected]
終わったわ JR東、「えきねっと」などで漏えいか　メルアドなど最大206万件　IDCFクラウドへの不正アクセスで - ITmedia NEWS https://www.itmedia.co.jp/news/article/2610/09/2000002171/
49 boosts · 59 favs · 0 replies · Oct 9, 2026
@[email protected]
うーん派手にやられてるな JR東日本、「えきねっと」「ビューカード」などで漏えいか　メルアドなど最大609万件　IDCFへの不正アクセスで【追記あり】 - ITmedia NEWS https://www.itmedia.co.jp/news/article/2610/09/2000002171/
0 boosts · 0 favs · 0 replies · Oct 9, 2026