Investigating

Temairazu: TEMAIRAZU intrusion may have led to viewing/acquisition of guest reservation data

After suspicious guest messages from around Sep 21, 2026, Temairazu confirmed TEMAIRAZU intrusion. Guest name/phone/email, property name, check-in/out dates and rates may have been viewed or acquired. Oct 9 timely disclosure cites up to about 4.45 million people. No card data held. First disclosure remains Sep 28.

Last updated: 2026-11-09

Overview

“Up to about 4.45 million” → blank.

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. 不審なメッセージおよび当社システムへの不正アクセスに関するお詫びとお知らせ手間いらず株式会社 · 2026-11-09
  2. 当社システムへの不正アクセスに関する経過および対応について(第二報)手間いらず株式会社 · 2026-11-09
  3. 当社システムへの不正アクセスに関する調査状況および対応について手間いらず株式会社 · 2026-11-09

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