Enforcement record

Cease and Desist Order disclosure naming 株式会社NTTドコモ

株式会社NTTドコモ (Telecommunications Business Act)

This page records one action from a Japanese government disclosure, including the published name, governing law, authority, action details, and official source.

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Telecommunications Business ActMinistry of Internal Affairs and CommunicationsGovernment disclosure6 November 2026

Action type

Cease and Desist Order

Law

Telecommunications Business Act

Authority

Ministry of Internal Affairs and Communications

Action date

6 November 2026

Current page: Enforcement record

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Public-source and preservation status

Publishing authority
Ministry of Internal Affairs and Communications
Official source URL
Recorded by RegBase
Entity match
Not confirmed; shown under the published name
Kiroku preservation
Queued for preservation

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Action summary

Company
株式会社NTTドコモJapanese only
Original: 株式会社NTTドコモ
Governing law
Telecommunications Business Act
電気通信事業法
Action type
Cease and Desist Order
措置命令
Action date
6 November 2026
Issuing authority
Ministry of Internal Affairs and Communications
総務省
Industry context
通信事業者
Affected consumers
344,213

Violation

Machine-translated summary — verify against original

When NTT DOCOMO, Inc. revised the application-flow guidance for online contracting for tariff plans such as “docomo MAX,” the work担当部門 (responsible operations department) did not recognize that, in the “important matters explanation” and other cautionary notes, the description regarding the provision of user information to Amazon Japan G.K. (アマゾンジャパン合同会社) was missing. As a result, the application-flow guidance was finalized without obtaining valid consent from the relevant contract holders, and NTT DOCOMO sent Amazon 344,213 telephone numbers and user identifiers. It was later discovered that this resulted in the leakage of specified user information.

Show original Japanese text

NTTドコモが提供するドコモMAX等の料金プランに係るオンライン契約時の申込手続導線の見直しが行われた際、重要事項説明等の注意事項において、契約者向けサービスを提供するアマゾンジャパン合同会社に対する利用者情報の第三者提供に係る記載が欠落していたことを作業担当部門が認識しないまま申込手続導線が確定され、該当する契約者から有効な同意を取得することなく、アマゾンへ344,213人分の電話番号及び利用者識別子を送付したことにより、特定利用者情報を漏えいさせていたことが発覚した。

Business location and permit details

Representative
代表取締役社長 前田 義晃
Overview page
https://www.soumu.go.jp/menu_news/s-news/01kiban18_01000300.html

These fields are extracted from the original Japanese disclosure or linked overview pages when available.

Compliance context

Medium-high

A formal administrative corrective order requiring remedial measures under the cited law.

Telecommunications law governing telecommunications services and related user protection obligations.

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Language

日本語版を見る (Japanese)

About this recordAggregated and translated from public Japanese government disclosures. The English text is for reference only — authoritative content is the linked Japanese source.