[Investigating][Severity: Moderate][Intrusion]

ENSAPIA Tokyo: Hange game portal likely breached, service stopped

ENSAPIA Tokyo judged a break-in at its Hange game portal servers highly likely and stopped the service on 3 November; the impact is under investigation.

Disclosed

2026-11-03

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

On 3 November ENSAPIA Tokyo Inc. judged it highly likely that its Hange servers had been accessed from outside without authorization and stopped the service as emergency maintenance. It is investigating the scope. [1]

Timeline

Disclosed 2026-11-03
1 days

Attack or cause

Method: [Intrusion]
Impact: [Service outage]
Entry point: Unknown

Data exposed or at risk

–

Services hit

[Breached][Moderate]
Hange

Service	Role	Impact level	Note
Hange	[Breached]	[Moderate]

Organizations involved

[Breached][Moderate]Tokyo, SetagayaInformation and communications
ENSAPIA Tokyo Inc.
Judged unauthorized access to its Hange servers highly likely and stopped the service; the scope is under investigation.

						Note
ENSAPIA Tokyo Inc.	[Breached]	[Moderate]	Tokyo, Setagaya	Information and communications	Unknown	Judged unauthorized access to its Hange servers highly likely and stopped the service; the scope is under investigation.

Sources

[1][Official]オンラインゲームポータルサイト『ハンゲ（hange）』の緊急メンテナンスについてENSAPIA Tokyo · 2026-11-03