エネコム（社内ネットワーク）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 9, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- Unknown
- Main impact
- Evidence of unauthorized access to the internal network and exfiltration of electronic files was confirmed. They are currently investigating whether customer information may be included and have announced there is no impact on service provision.
- Information involved
- Not specified in the disclosure
- Cause / key point
- Cause under investigation.
- Industry
- IT & telecom
- Listing / capital
- UnlistedParent company: 中国電力(東証プライム 9504)
エネコム is a subsidiary of 中国電力.
- Last updated
- October 20, 2026
Stock price reaction to the disclosure中国電力・親会社 / 東証プライム 9504
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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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