アクティブ（通販サイト）Data breach / unauthorized access incident
- Occurred on
- October 2, 2026
- Announced on
- October 6, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 54,916 records
- Main impact
- Up to 54,916 customer and order records may have been leaked, including store name, address, email, and order information; card data, bank account information, and login passwords were not included.
- Information involved
- Email addressPhone numberHome address
- Cause / key point
- Data export via an SQL injection attack and through an unauthorized administrator account.About Exploitation of vulnerabilities
- Industry
- Retail & e-commerce
- Listing / capital
- Unlisted
- Last updated
- October 20, 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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Attack method classification: Exploitation of vulnerabilities(Breaking in through holes in software and devices)
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