Kumagai Gumi Group — Ransomware Incident Claimed by ALPHV/BlackCat
- Victim: Kumagai Gumi Group
- Claimed by ALPHV/BlackCat
- Date claimed: 2024-03-01
- Country: JP
- Sector: Business Services
- Severity: High
Kumagai Gumi Co., Ltd. is a Japanese construction company founded in Fukui, Fukui Prefecture, Japan. The company still has registered headquartersin Fukui, but the actual head office is located in Shinjuku, Tokyo