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JAENES
APossible leakOctober 9, 2026 announced

日本酒類販売(東京酒粋)Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
Unconfirmed
Announced on
October 9, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
Unknown
Main impact
The provider's investigation found no confirmation of data leakage to external parties (per 東京酒粋), and the newsletter will be resumed sequentially after safety is confirmed.
Information involved
Not specified in the disclosure
Cause / key point
Unauthorized access to the infrastructure server of the email newsletter distribution service. The initial report described it as an incident related to a ransomware attack on IDCフロンティア; intrusion into 東京酒粋's main EC site has not been announced.About Ransomware
Industry
Food & dining
Listing / capital
Unlisted
Last updated
October 20, 2026

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Written & reviewed

笹尾 祐太朗の写真

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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