BO Team and Head Mare Coordinate Attacks Against Russian Organizations

Kaspersky researchers reported overlapping infrastructure and tools used by pro-Ukraine hacktivist group BO Team (aka Black Owl) and another group, Head Mare, in operations targeting Russian organizations. Investigators found command-and-control systems operating on the same compromised host and other shared resources, indicating at least some level of coordination between the groups.

Part of the PlainSec briefing for 2026-05-08

Sources