> JapanHacked_
[Investigating][Severity: Moderate][Insider]

Japan Airlines: same-day baggage delivery reservation system failure traced to a contractor employee deleting and changing log records

The JAL same-day baggage delivery reservation system failure was caused by a contractor employee deleting and changing log records, fearing a mistake would be found.

Disclosed

2026-02-10

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. It confirmed unauthorized access by a third party to the reservation system of its same-day baggage delivery service. [1] [2]

  2. It announced the unauthorized access and said it was investigating whether data had leaked. [1] [2]

  3. It published a follow-up. The cause was a contractor employee who, fearing an operating mistake would be found, deleted and changed records in the log. [3]

Timeline

  1. Detected 2026-02-09
  2. Disclosed 2026-02-10
  3. 1 days

Attack or cause

Method
[Insider]
Impact
[Service outage]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]「手荷物当日配送サービス」予約システムへの不正アクセスについてJapan Airlines Co., Ltd. · 2026-02-10
  2. [2][News]JAL「手荷物当日配送サービス」予約システムに不正アクセス、データの外部漏えいの有無について調査を進めるScanNetSecurity · 2026-02-13 08:05
  3. [3][News]誤操作の発覚を恐れて委託先社員がログから記録を削除・変更したことが原因 ～ JAL「手荷物当日配送サービス」システム障害ScanNetSecurity · 2026-03-09 08:05