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Darkfield

Operator dossier

Storm is a ransomware operator currently active on public leak sites. Darkfield has indexed 9 public victims claimed by this operator between August 7, 2026 and August 8, 2026. Storm is a ransomware group first observed in August 2026, operating with an apparent financial motivation based on its targeting profile, though limited public documentation exists given its recent emergence and relatively small victim footprint. The group has claimed or been attributed to attacks against at least six known victims, with the United States representing its primary target geography. Storm has demonstrated a preference for targeting the healthcare and manufacturing sectors, alongside a broader category of other industries, suggesting an opportunistic rather than highly specialized targeting philosophy. Due to the group's recent emergence and limited victim count, comprehensive technical details regarding its initial access vectors, encryption methodology, tooling, or affiliation with known threat actor ecosystems have not yet been formally documented by CISA, the FBI, Mandiant, or other major threat intelligence publishers as of the time of this writing. No confirmed RaaS infrastructure, dark web leak site activity, or law enforcement actions against the group have been publicly attributed or reported in open sources. Given its nascent operational timeline beginning in 2026, Storm should be monitored as an emerging threat, particularly within the healthcare sector where ransomware attacks carry significant operational and patient safety implications, but analysts should treat any further characterization beyond the known victim and targeting data with caution pending additional corroborating intelligence.

Most-targeted sectors

Most-affected countries

Recent disclosures by Storm

All 9 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for Storm →

How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status flips from active to inactive when no new disclosure appears for 60 days. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.

Active ransomware operator

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Storm

9 victims indexed · first seen 1 day ago · last activity 3 hours ago

9
Victims indexed
#225 of 381 tracked operators
<1m
Active period
Aug 2026 → Aug 2026
1
Countries hit
top US · 6

At a glance

Status
active
First seen
1 day ago
Last activity
3 hours ago
Primary sector
Healthcare · 3 hits

About

Storm is a ransomware group first observed in August 2026, operating with an apparent financial motivation based on its targeting profile, though limited public documentation exists given its recent emergence and relatively small victim footprint. The group has claimed or been attributed to attacks against at least six known victims, with the United States representing its primary target geography. Storm has demonstrated a preference for targeting the healthcare and manufacturing sectors, alongside a broader category of other industries, suggesting an opportunistic rather than highly specialized targeting philosophy. Due to the group's recent emergence and limited victim count, comprehensive technical details regarding its initial access vectors, encryption methodology, tooling, or affiliation with known threat actor ecosystems have not yet been formally documented by CISA, the FBI, Mandiant, or other major threat intelligence publishers as of the time of this writing. No confirmed RaaS infrastructure, dark web leak site activity, or law enforcement actions against the group have been publicly attributed or reported in open sources. Given its nascent operational timeline beginning in 2026, Storm should be monitored as an emerging threat, particularly within the healthcare sector where ransomware attacks carry significant operational and patient safety implications, but analysts should treat any further characterization beyond the known victim and targeting data with caution pending additional corroborating intelligence.

Timeline

1 months
2026-08-01T00:00:00+00:00 · 6
2026-08-01T00:00:00+00:002026-08-01T00:00:00+00:00

Top countries

🇺🇸 United States
6
United States dossier →

Top sectors

Healthcare
3
Manufacturing
1
Healthcare dossier →Manufacturing dossier →

MITRE ATT&CK

68 techniques · 14 tactics

Tactics

CollectionCommand And ControlCredential AccessDefense ImpairmentDiscoveryExecutionExfiltrationInitial AccessLateral MovementPersistencePrivilege EscalationReconnaissanceResource DevelopmentStealth

Techniques

Recent victims

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Source

Updated 3 hours ago

Data on this page is sourced from the group's own leak posts, cross-checked with public ransomware trackers (RansomLook, ransomware.live, RansomWatch), MITRE ATT&CK, and our own Tor and Telegram crawlers. This is a public observatory page — share freely.

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