Investigating

Co-op Ishikawa: member and gift-recipient data may have leaked via gift-shop contractor ransomware

Possible data leak: The gift-catalogue e-commerce contractor detected anomalies on April 10, 2026, confirmed ransomware, reported April 16 and the co-op disclosed April 24.

Last updated: 2026-11-09

Overview

Member 1,756 and recipient 4,264 are subsets and not summed (count blank). Name, address, phone and order history. Contractor held no accounts, cards or My Number.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

Sources

  1. 委託先への不正アクセスによる個人情報流出の可能性に関するお知らせとお詫び生活協同組合コープいしかわ · 2026-11-09

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