フジッコData breach / unauthorized access incident
- Occurred on
- October 21, 2026
- Announced on
- October 22, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 15,500 records
- Main impact
- Applicant information from the campaign's non-member application form may have been leaked due to unauthorized access by a third party; a total of approximately 15,500 application records (name, phone number, email address, address, etc.) may have been affected.
- Information involved
- Full namePhone numberEmail addressHome address
- Cause / key point
- Unauthorized third-party access (external attack) to the contractor's server that handled campaign application reception.About Supply chain attacks (via vendors & shared services)
- Industry
- Food & dining
- Sources
- Last updated
- October 23, 2026
Is this incident worth paying attention to?
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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- Bメディアリンク（Studio問い合わせフォーム）2026.10.19 announced・Affected 901 records
Same attack method
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- A大和証券2026.10.05 announced・Affected 220,000 records
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- A大東ガス株式会社2026.09.28 announced・Affected 124,000 records
- A大阪大学2026.10.21 announced・Affected 77,851 people
Same industry
- SSバーガーキング・ジャパン(公式アプリ)2026.10.15 announced・Affected 11,180,000 records
- SSライドオンエクスプレス（『銀のさら・釜寅・すし上等』公式サイト・公式アプリ）2026.10.13 announced・Affected 6,500,000 records
- SS焼肉きんぐ2026.10.05 announced・Affected 10,788,963 records
- SSニチレイグループ2026.09.18 announced・Affected Unknown
- Sアサヒグループホールディングス2026.07.17 announced・Affected 1,525,000 records
- S佐嘉平川屋2026.06.15 announced・Affected Unknown
Attack method classification: Supply chain attacks (via vendors & shared services)(Compromising the provider instead of the user)
Read the Supply chain attacks (via vendors & shared services) guide and national trends →