blackwater
RansomwareAbout the group
Blackwater is a ransomware group that first surfaced in early 2026, combining file encryption with data theft and targeting healthcare organizations, with known victims including Minidoka Memorial Hospital in Idaho.
Exploited vulnerabilities
No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.
Impact and victims
The group blackwater has 2 known ransomware victims. See the most affected sectors and countries and recent victims.
2known victims
2in Brazil
2sectors hit
Activity (12 months)
Most attacked sectors
Energy & Utilities1
Professional Services1
Most affected countries
🇧🇷 Brasil2
Recent victims
msgas.com.br
Grupo EBD
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