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JAENES
APossible leakAugust 28, 2026 announced

T&K TOKAData 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
August 28, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
Unknown
Main impact
Confirmed unauthorized access and ransomware impact; some operations suspended and affected business partners are being contacted individually. Whether information was leaked is unknown.
Information involved
Not specified in the disclosure
Cause / key point
Cause is under investigation.About Ransomware
Industry
Manufacturing
Listing / capital
Unlisted
Sources
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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