BEENOS株式会社Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- February 13, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- Unknown
- Main impact
- Unauthorized access to セカイモン led to suspension of all services, and information on members, purchasers, employees, and warehouse staff may have been accessed.
- Information involved
- Email addressUser / member IDPasswordCard & payment dataPhone numberHome addressFull nameDate of birth
- Cause / key point
- The company says the intrusion exploited a vulnerability in ショップエアライン's system.About Exploitation of vulnerabilities
- Industry
- Retail & e-commerce
- Listing / capital
- UnlistedParent company: LINEヤフー(東証プライム 4689)
BEENOS was delisted in 2025. It is a subsidiary of LINEヤフー.
- Last updated
- October 20, 2026
Stock price reaction to the disclosureLINEヤフー・親会社 / 東証プライム 4689
Stock information is reference data based on Yahoo Finance and may be delayed. This site does not solicit or advise investment and does not guarantee the accuracy or completeness of this information. We accept no liability for any investment decision based on it.
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
Related incidents
Browse the database →Incidents sharing the same company, service, attack method or industry (grouped automatically from the disclosures).
Other incidents at BEENOS
Incidents related to "スタッフ"
Incidents where the damage spread through the same service or system.
Same attack method
- SSHelpfeel（Gyazo）2026.09.16 announced・Affected 23,620,000 records
- SSEストアー(ショップサーブ)2026.10.16 announced・Affected 23,356,000 people
- SSSアドベンチャー（スカイチケット）2026.10.10 announced・Affected 14,640,000 records
- SSSKDDI(ISP事業者向けメール基盤)2026.06.23 announced・Affected 12,231,954 people
- Sムラウチドットコム2026.09.15 announced・Affected 7,710,000 records
- Sホワイトエッセンス（予約・基幹システム）2026.10.05 announced・Affected 1,050,000 accounts
Same industry
- S阪急阪神百貨店（H2O ID等）2026.10.19 announced・Affected 1,260,000 records
- Sパピレス（Renta!）2026.10.19 announced・Affected Unknown
- Sジグザグ（WorldShopping）2026.10.19 announced・Affected 301 people
- Sブックオフグループ(ブックオフコーポレーション)2026.10.09 announced・Affected 6,383,279 people
- Sアクティブ（通販サイト）2026.10.06 announced・Affected 54,916 records
- SMrMax2026.10.06 announced・Affected 1,735,154 people
Attack method classification: Exploitation of vulnerabilities(Breaking in through holes in software and devices)
Read the Exploitation of vulnerabilities guide and national trends →