> JapanHacked_
[Contained][Severity: Major][Intrusion]

Value Golf: Hitori Yoyaku Land login email addresses may have leaked

The golf booking service found an intrusion on 1 November and blocked it. Login emails may have leaked; names and other registration data are excluded. The count is unknown.

Disclosed

2026-11-02 18:00

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

On 1 November, the company found signs of unauthorized access to Hitori Yoyaku Land, blocked the route and fixed the defect. It began reporting to and consulting authorities on 2 November and issued its first notice before the investigation was complete. [1]

Login email addresses may have been viewed or taken. Names and registration fields other than email addresses are excluded. The affected count, number of people and precise attack method have not been stated; the total service membership is not treated as a breach count. [1]

Timeline

  1. Detected 2026-11-01
  2. Disclosed 2026-11-02
  3. 1 days

Attack or cause

Method
[Intrusion]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[E-mail address]

Services hit

Organizations involved

Sources

  1. [1][Official]当社サービスへの不正アクセスに関するお知らせ(第一報)Value Golf Inc. · 2026-11-02
  2. [2][Official]当社サービスへの不正アクセスに関するお知らせ(第一報)Value Golf Inc. · 2026-11-02 18:00