全国自治宝くじ事務協議会（宝くじ公式サイト）Data breach / unauthorized access incident
- Occurred on
- November 5, 2026
- Announced on
- November 5, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- Unknown
- Main impact
- Users' passwords were changed against their intent, prompting a temporary shutdown of the official site. Names and payment information stored in member profiles may have been leaked, and the scope and whether a leak occurred are under investigation.
- Information involved
- PasswordFull nameCard & payment data
- Cause / key point
- The cause has not been disclosed, but some reports point to the possibility of unauthorized access.
- Industry
- Finance & insurance
- Listing / capital
- Non-profit corporation
- Last updated
- November 7, 2026
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Written & reviewed
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)
Read the Unauthorized access (method undisclosed) guide and national trends →