株式会社アイネックスData breach / unauthorized access incident
- Occurred on
- June 17, 2026
- Announced on
- August 24, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 32 records
- Main impact
- In an investigation of unauthorized access to a cloud service account, 373 email addresses were confirmed leaked. 32 emails are at risk of exposure, and 46 items of personal information contained in those emails were reported.
- Information involved
- Email addressUser / member IDPasswordPhone numberFull name
- Cause / key point
- It was announced that an unauthorized login to a cloud service account occurred.About Abuse of credentials
- Industry
- IT & telecom
- Listing / capital
- Unlisted
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
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: Abuse of credentials(Logging in legitimately with leaked or guessed passwords)
Read the Abuse of credentials guide and national trends →