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JAENES
APossible leakMarch 6, 2026 announced

ホワイトエッセンス（メグリー）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
March 6, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
Unknown
Main impact
The company disclosed that due to unauthorized access to a job site for dental hygienists, registrants' contact information, employment history, qualifications, and login information may have been exposed, but the number of affected individuals is not specified.
Information involved
Email addressUser / member IDPasswordPhone numberHome addressFull name
Cause / key point
Unauthorized access to the job site was confirmed.
Industry
Services & other
Listing / capital
Unlisted
Sources
Last updated
October 20, 2026
Email addressUser / member IDPasswordPhone numberHome addressFull nameHow severity is assessed →

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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: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)

Read the Unauthorized access (method undisclosed) guide and national trends →

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