Incidents on Apr 23, 2026

Publication date: Dates are source publication dates (JST), not occurrence dates.

Details and evidence links

Keyword (target, summary or ID)

Showing 1 of 1 incidents

Incidents on Apr 23, 2026
Date	Target	Summary	Classification	Source links
Apr 23, 2026 LEAK-001	Nirinkan Yellow Hat 'Nirinkan App'	S 3,179,454 peopleThe final report states that unauthorized access abusing the app's API to the members-only server obtained data on 3,179,454 point, mobile and app members, including names, addresses, email addresses and app passwords.	Unauthorized access & data leakConfirmedOfficial statement	2rinkan.jp