insomnia Ransomware

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.

Vulnerabilities cited for this group

CVEs associated with the group by ransomware.live. Records not yet published here appear without a link.

No CVE associated with this group in the sources.