Confirmed

Kagawa Prefecture: 474 public-housing resident records leaked via Anabuki Housing ransomware

After Anabuki Housing’s Feb 3, 2026 ransomware event, a May 12 notice confirmed 474 public-housing resident records leaked; the prefecture posted May 13.

Last updated: 2026-11-09

Overview

474 records (397 with phone; 77 without). Subset of the vendor root; not to be summed with it.

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. ランサムウェア攻撃による香川県営住宅入居者の情報漏えいに関するお知らせとお詫び株式会社穴吹ハウジングサービス · 2026-11-09
  2. (株)穴吹ハウジングサービス等のランサムウエア感染による個人情報の漏えいについて香川県 · 2026-11-09

Related information

anabuki-housing-ransomware-personal-data-leak-2026

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