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JAENES
BPossible leakAugust 18, 2026 announced

ウェブライフ（OEMホームページ作成サービス）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
August 18, 2026
Severity
BIncidents centered on names and contact details.
Scale
Unknown
Main impact
They disclosed unauthorized access to the customer management system of OEM向けホームページ作成サービス and say email addresses may have been leaked. No number of affected records is provided.
Information involved
Email address
Cause / key point
It was announced that unauthorized access occurred to the customer management system.
Industry
IT & telecom
Listing / capital
Unlisted
Sources
Last updated
October 20, 2026
Email addressHow severity is assessed →

Is this incident worth paying attention to?

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)

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