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RansomwareFinancial

Insomnia

Insomnia is a ransomware group with a financial motive, tracked by Brandefense. It targets 9 sectors, including Government and Technology, in the United States and Panama.

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Techniques
0
Exploited CVEs
No CVE data
First seen
Feb 7, 2026
Last seen
Sep 7, 2026
Record updated

Who They Target.

Sectors · 9
Countries · 2

About 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.

Last updated Oct 1, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.