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[Confirmed]

# NTT Docomo halts its online shop after unauthorized access exposed customer data

The carrier suspended Docomo Online Shop and My docomo procedures on November 5.

Leaked on 05 November 2026

![Screenshot of the NTT Docomo notice page: ドコモからのお知らせ : 【お詫び】ドコモオンラインショップ、My docomoの緊急メンテナンス実施について/当社サーバーへの不正アクセスによるお客さま情報流出に関するお知らせ（第四報：11月9日 午後5時30分時点） | お知らせ |](https://leakly.com/assets/images/ntt-docomo-online-shop-unauthorized-access-hero.jpg)

Screenshot of the NTT Docomo notice “ドコモからのお知らせ : 【お詫び】ドコモオンラインショップ、My docomoの緊急メンテナンス実施について/当社サーバーへの不正アクセスによるお客さま情報流出に関するお知らせ（”, captured 09 Nov 2026 12:14 UTC. [Source: NTT Docomo notice](https://www.docomo.ne.jp/info/notice/page/261109_00_m.html)

[NTT Docomo](https://www.docomo.ne.jp/info/notice/page/261109_00_m.html) announced an emergency suspension of its Docomo Online Shop and My docomo services on November 5 after unauthorized access, Hackmanac (@H4ckmanac) reported on X.

> **Hackmanac** @H4ckmanac
>
> 🚨Cyber Alert ‼️
> 🇯🇵Japan - 𝗡𝗧𝗧 𝗗𝗢𝗖𝗢𝗠𝗢
> On November 5, 2026, NTT DOCOMO announced the emergency suspension of its Docomo Online Shop and My docomo services following suspected unauthorized external access to its servers.
> The disruption began at approximately 1:05 a.m. on November 5 and remained ongoing as of 9:00 a.m.
> The company stated that it had identified a high likelihood of unauthorized access from an external source and proactively shut down the affected services to investigate the incident.
> The suspension disrupted various customer procedures and account management operations through both platforms.
> For more insights into the latest cyberattacks worldwide, visit https://t.co/eB7qgxKFAa
>
> 237 likes · 91 reposts · counts as of 09 Nov 2026, 12:49 UTC
>
> — Hackmanac (@H4ckmanac) [November 5, 2026](https://twitter.com/H4ckmanac/status/2118262629005156374)

[Leakly track record](https://leakly.com/leakers/h4ckmanac/)

Docomo's own notices describe the emergency maintenance and a leak of customer information caused by unauthorized access to its servers, with updates continuing through November 9.

Docomo confirmed the incident. It has not disclosed the number of affected customers.

## What we know

* Docomo suspended online shop and account services.
* Docomo confirmed customer information leaked.

## What we don't know

* How many customers were affected.

## What would confirm it

Already confirmed by Docomo.

## Sources

* [Original X post by @H4ckmanac](https://x.com/H4ckmanac/status/2118262629005156374)
* [ドコモからのお知らせ : 【お詫び】ドコモオンラインショップ、My docomoの緊急メンテナンス実施について/当社サーバーへの不正アクセスによるお客さま情報流出に関するお知らせ（第四報：11月9日 午後5時30分時点） | お知らせ | NTTドコモ](https://www.docomo.ne.jp/info/notice/page/261109_00_m.html)

[Confirmed]

## What happened later

Docomo confirmed the incident. It has not disclosed the number of affected customers.

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