Company
Keiyo Gas Co., Ltd.
Keiyo Gas Co., Ltd. (Ichikawa, Chiba; Electricity, gas, heat and water) appears in 1 related cybersecurity incident. The latest was disclosed on 2024-07-17.
Profile
- Industry/type
- Electricity, gas, heat and water
- Location
- Chiba, Ichikawa
- Website
- https://www.keiyogas.co.jp/
Public figures
Employees730Non-consolidated2025-12-31
METI: GビズインフォRevenue¥111.9BNon-consolidated2025-12-31
METI: GビズインフォCapital¥2.8BNon-consolidated2025-12-31
METI: Gビズインフォ
Incident history
Disclosed 2024-07-17Updated 2026-10-23Chiba, Kanagawa, Okayama, Tokyo[Contained][Severity: Critical][Through a supplier][Critical]
Tokyo Gas Engineering Solutions: intrusion may have exposed personal data of about 4.16 million people[Intrusion][Data leak]Leaked 4.2MOrganizations 5