フューチャーショップ（future Scenario Cast・futureCartRecovery）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 8, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- Unknown
- Main impact
- An attack on IDCF halted email delivery for two services; delivery was resumed in a different environment on October 9. Investigation is ongoing into whether names, recipient emails, etc. were leaked, and the EC main system is reported to be unaffected.
- Information involved
- Email addressUser / member IDFull nameDate of birth
- Cause / key point
- This is an incident related to a ransomware attack by a third party on IDCフロンティア’s cloud service used as the provided infrastructure. フューチャーショップ says it proactively stopped email delivery and data integrations to protect data and ensure security.About Ransomware
- Industry
- Retail & e-commerce
- Listing / capital
- UnlistedParent company: コマースOneホールディングス(東証グロース 4496)
フューチャーショップ is a subsidiary of コマースOneホールディングス
- Last updated
- October 20, 2026
Stock price reaction to the disclosureコマースOneホールディングス・親会社 / 東証グロース 4496
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.
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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: Ransomware(Encrypting data and demanding a ransom)
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