United Group experienced a cyber attack targeting its subsidiaries Vivacom and Mainstream Bulgaria in Bulgaria. The company’s containment measures limited the impact, and essential services like mobile and fixed connectivity remain operational. #CyberAttack #Bulgaria #Vivacom #MainstreamBulgaria
Information
- Victim: Vivacom, Mainstream Bulgaria | Vivacom, Mainstream Bulgaria
- Website: united.group
- Country: BGR | Bulgaria
- Date Reported: 2025-09-21
Keypoints
- The cyber attack targeted United Group’s subsidiaries in Bulgaria, specifically Vivacom and Mainstream Bulgaria.
- Containment measures prevented widespread disruption of essential services.
- Core services like mobile and fixed connectivity offered by Vivacom remain functional.
- United Group condemned the criminal acts and is investing further in network security.