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JAENES
BPossible leakApril 24, 2026 announced

生活協同組合コープいしかわData breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
Unconfirmed
Announced on
April 24, 2026
Severity
BIncidents centered on names and contact details.
Scale
1,756 records
Main impact
They announced that ransomware damage to the gift contractor may have leaked 1,756 cooperative member records and 4,264 delivery records.
Information involved
Phone numberHome addressFull name
Cause / key point
They state the cause was the contractor being hit by ransomware.About Ransomware
Industry
Retail & e-commerce
Listing / capital
Non-profit corporation

Consumer cooperative (non-profit)

Sources
Last updated
October 20, 2026
Phone numberHome addressFull nameHow severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.

Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction

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Attack method classification: Ransomware(Encrypting data and demanding a ransom)

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