Privacy Unpacked

Reported breach

Fanplus data breach

JPJapan

Mainichi Shimbun Digital reported a data breach at Fanplus (Japan) on 10 November 2026.

People affected
Not reportedno count given yet
Reported
10 November 2026News report

What was exposed 1

  • Email addresses

How it happened

How
Hacking Third-party unauthorized access to the external email distribution service "Arara Message" (provided by Arara Corporation) source
Our translation from Japanese外部メール配信サービス「アララメッセージ」(アララ社提供)への第三者による不正アクセス
Through
Arara Message 外部メール配信サービス「アララメッセージ」(アララ社提供)への第三者による不正アクセス source
Way in
Arara Message Third-party unauthorized access to the external email distribution service "Arara Message" (provided by Arara Corporation) source
Our translation from Japanese外部メール配信サービス「アララメッセージ」(アララ社提供)への第三者による不正アクセス

Sources 1

News reports are read by an AI model; every fact taken from an article was checked word for word against it, and anything it could not find was dropped. · Corrections and changes

Questions about the Fanplus breach

Was Fanplus hacked?

Mainichi Shimbun Digital reported a data breach at Fanplus (Japan) on 10 November 2026. How it happened, by the sources: hacking, through Arara Message. It has been reported but not confirmed by Fanplus or an authority.

What data was exposed in the Fanplus breach?

Email addresses, by the notices and reports on this page.

How do I know if I was affected?

Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.

Is there a Fanplus data breach settlement?

No settlement open for claims is on record for Fanplus as of 15 November 2026. Every open settlement is listed with its deadline.

Is a letter, email or text about the Fanplus breach real or a scam?

A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to Fanplus’s own site, or check the letter here.

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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Accuracy audit · For journalists · Found a mistake? Tell us and we correct it.