[Investigating][Severity: Major][Intrusion]

WebMoney: system breached; some payment data may have leaked

A WebMoney breach may expose some payment data. Some prepaid numbers are restricted and services paused. Fields, counts and restoration timing remain under investigation.

Disclosed

2026-11-06

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

WebMoney confirmed unauthorized third-party access and is investigating possible exposure of some payment and other information. It restricted some prepaid numbers due to misuse concerns and paused some services to prevent further access. Whether information leaked, the specific fields/counts and reopening timing are unpublished. Confirmed fraudulent use is not reported. [1]

Timeline

Disclosed 2026-11-06
1 days

Attack or cause

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

Data exposed or at risk

–

Services hit

[Breached][Major]
WebMoney

Service	Role	Impact level	Note
WebMoney	[Breached]	[Major]

Organizations involved

[Breached][Major]Tokyo, ChuoFinance and insurance
BitCash Inc.
WebMoney may have exposed payment information; some prepaid numbers are restricted due to misuse concerns. Specific fields and counts are unpublished.

						Note
BitCash Inc.	[Breached]	[Major]	Tokyo, Chuo	Finance and insurance	Unknown	WebMoney may have exposed payment information; some prepaid numbers are restricted due to misuse concerns. Specific fields and counts are unpublished.

Sources

[1][Official]不正アクセスによる一部情報漏えいの可能性についてWebMoney · 2026-11-06