大気社（マレーシアグループ会社）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- September 18, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 1 accounts
- Main impact
- At a Malaysian group company, one employee's email account was misused and suspicious emails were sent. The scope of the impact is under investigation.
- Information involved
- Email addressUser / member ID
- Cause / key point
- The cause is under investigation.
- Industry
- Manufacturing
- Listing / capital
- UnlistedParent company: 大氣社(東証プライム 1979)
The Malaysian group company of 大気社
- Last updated
- October 20, 2026
Stock price reaction to the disclosure大氣社・親会社 / 東証プライム 1979
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CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.
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Attack method classification: Under investigation / not stated(Cause not disclosed)
Read the Under investigation / not stated guide and national trends →