Rhysida

277

victims

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Malware family tracked by Malpedia. ID: elf.rhysida

Threat Analysis

Rhysida is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

Ransomware Victims (277)

CTIWATCH tracks 277 organizations claimed as victims by Rhysida on its data leak site, with attack dates, sectors and countries.

View full victims list →

Intelligence Reports Mentioning Rhysida

New ‘Mistic’ RAT Opens Door to Several Ransomware Families

SecurityWeek· Jun 24, 2026

Cookeville Medical Center Notifies Patients After July 2025 Ransomware Attack

Infosecurity Magazine· Apr 16, 2026

Data Breach at Tennessee Hospital Affects 337,000

SecurityWeek· Apr 16, 2026

External References

→https://blog.talosintelligence.com/emerging-interlock-ransomware/

→https://blog.talosintelligence.com/rhysida-ransomware/

→https://decoded.avast.io/threatresearch/rhysida-ransomware-technical-analysis/

→https://detect.fyi/rhysida-ransomware-and-the-detection-opportunities-3599e9a02bb2

→https://fourcore.io/blogs/rhysida-ransomware-history-ttp-adversary-emulation

Quick Facts

TypeAPT / Threat Group

Aliases3

Also Known As

win.rhysidaRhysidaelf.rhysida

External Intelligence

Malpedia: win.rhysida

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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