Business SaaS and e-mail

STdirectServices

STdirectServices (run by NTT DATA Japan Corporation) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-10-31.

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Business SaaS and e-mail

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		Incident	Role	Impact level				Methods	Impacts		Status
2026-10-31	2026-11-01 12:27	NTT DATA STdirectServices: bond buyer data may have leaked at a contractor	[Through a supplier]	[Major]	[Major]	8 Nomura Securities Co., Ltd., NTT DATA Japan Corporation, West Japan Railway Company, SBI SECURITIES Co., Ltd., KAGOME CO., LTD., Kintetsu Group Holdings Co., Ltd., Mitsubishi UFJ Morgan Stanley Securities Co., Ltd., Rakuten Securities, Inc.	Aichi, Osaka, Tokyo	[Intrusion]	[Data leak]	2,678	[Investigating]