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JAENES
BPossible leakOctober 18, 2026 announced

日本サッカー協会（JFA Passport）Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
October 17, 2026
Announced on
October 18, 2026
Severity
BIncidents centered on names and contact details.
Scale
Unknown
Main impact
Unauthorized access to the JFA official app "JFA Passport" has caused some services to be suspended. Impact on user information is under investigation, and the number of affected records has not been disclosed.
Information involved
Not specified in the disclosure
Cause / key point
Cause under investigation.
Industry
Services & other
Listing / capital
Non-profit corporation

日本サッカー協会（一般財団） (a general incorporated foundation)

Sources
Last updated
October 20, 2026
How severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.

Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction

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Attack method classification: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)

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