イノベーション（GitHub）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- August 7, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 62,689 people
- Main impact
- It was confirmed that the names and email addresses of 62,689 people and some phone numbers were leaked. This information carries risks such as impersonation and spam.
- Information involved
- Email addressPhone numberFull name
- Cause / key point
- Unauthorized acquisition and misuse of GitHub credentials that had been written directly in a configuration file.About Abuse of credentials
- Industry
- IT & telecom
- Listing / capital
- Listed company東証スタンダード 3484(イノベーションホールディングス)
- Last updated
- October 20, 2026
Stock price reaction to the disclosureイノベーションホールディングス / 東証スタンダード 3484
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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 →