> JapanHacked_
[Investigating][Severity: Critical][Intrusion]

GameTrade: game account marketplace intrusion

Intruders entered the GameTrade game account marketplace; names, addresses, hashed passwords and other member data may have leaked.

Disclosed

2026-10-28

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. GameTrade detected and blocked the access and confirmed the intrusion the same day. [1]

  2. It set up a response team and found that some member data may have leaked. It reported to the police and the Personal Information Protection Commission and published the incident. [1]

Impact

Registered phone numbers, email addresses, names, birth dates, gender, addresses and hashed passwords may have leaked. The number of people is being checked. [1]

Response

It keeps monitoring while checking the scope, and asks members to register passkeys and to change the password on other services that use the same one. [1]

Timeline

  1. Detected 2026-10-27
  2. Disclosed 2026-10-28
  3. 1 days

Attack or cause

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

Data exposed or at risk

[Phone number][E-mail address][Name][Date of birth][Gender][Postal address][Passwords]

Services hit

Organizations involved

Sources

  1. [1][Official]不正アクセスによる情報漏えいの可能性のお知らせとお詫びGameTrade · 2026-10-28