[Contained][Severity: Critical][Intrusion]

Community Network: CN Playguide personal data may have been exposed

Unauthorized server access was detected and blocked on September 5. Some customer ticketing sites potentially exposed 236,323 email-only entries and 127 entries containing member numbers, login IDs, names and phone numbers. Card data was held by the payment processor and excluded.

Disclosed

2025-09-10

Organizations involved

Leaked or at risk

236.3K

236,323

Downtime

Unknown

Timeline

Detected 2025-09-05
Disclosed 2025-09-10
5 days

Attack or cause

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

Data exposed or at risk

[E-mail address][Name][Phone number]

Services hit

[Breached][Critical]
CN Playguide

Service	Role	Impact level	Note
CN Playguide	[Breached]	[Critical]

Organizations involved

[Breached][Critical]Tokyo, BunkyoPersonal services and entertainment236,323 leaked
Community Network Co., Ltd.

						Note
Community Network Co., Ltd.	[Breached]	[Critical]	Tokyo, Bunkyo	Personal services and entertainment	236,323

Open in organization search

Sources

[1][Official]不正アクセスによる個人情報流出の可能性に関するお詫びとお知らせCommunity Network Co., Ltd. · 2025-09-10