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Organizations involved in this incident2026-10-19Japan Post Holdings: credential stuffing against Yu IDOpen the incident

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CompanyTransport and postal servicesTokyo, Chiyoda[Breached][Major]
Japan Post Holdings Co., Ltd.
Incidents 1Latest 2026-10-19Employees 1,261

	Role
Japan Post Holdings Co., Ltd.	[Breached]	[Major]	Company	Transport and postal services	Tokyo, Chiyoda	1,261	–	1	2026-10-19