Ransomware Group
Insomnia
Insomnia is a data-theft and extortion group that emerged in October 2025, targeting primarily US-based healthcare organizations — stealing patient files and threatening public exposure rather than encrypting files — and avoiding former Soviet states, consistent with Russian-speaking cybercrime norms.
Known victims53
Threat level
MEDIUM
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Known infrastructure
The following Tor hidden services have been associated with this group:
Insomnia
These sites are malicious. Open them only from an isolated environment.
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