Overview
"About 120,000" (about 50,000 employees and 70,000 retirees since 1967; count blank): employee numbers, names, addresses, phones, gender, department and grade. No access to customer data confirmed.
Timeline
- Occurred
- Discovered
- 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
- 退職された皆さまへのお知らせ 当社の従業員向け人事システムへの不正アクセスについて株式会社第一ライフグループ・第一生命保険株式会社 · 2026-11-09