CYBERSECURITYTRACKER
Incidents

Storm

Review this actor's tracked leak-site claims, published reporting, and attributed threat evidence.

ransomware146 leak-site claims, all timeLatest observed leak-site post 2026-10-19

Portable threat brief

Storm

Facts from stored data only; no AI-written text.

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Executive facts

Actor
Storm
Kind
ransomware
Actor record created
2026-08-06
Latest observed
2026-10-19
Leak-site claims
146
Catalogued techniques
0

Scope

Tracked sectors
Manufacturing, Financial Services, Healthcare, Business & Professional Services, Retail
Claim records
2026-08-06 to 2026-10-19

Vulnerability events linked to this group

No dated vulnerability events are attached to this group's linked vulnerabilities.

Verified techniques

No verified ATT&CK mapping for this group.

Defensive actions

No defensive actions are attached to this profile.

Most-claimed sectorsManufacturingFinancial ServicesHealthcareBusiness & Professional ServicesRetail
Activity window in this site's data

This is only the dates observed by this site. It is not this actor's lifetime or evidence of dormancy outside these dates.

Claim records
First observed Latest observed
Verified ATT&CK phases represented

No verified ATT&CK mapping for this group

Origin and motivation

Origin and motivation not attributed.

No MITRE ATT&CK group mapping exists for this actor yet. Mappings here are strict: an actor links to a MITRE group only when the group's own name, aliases, or MITRE-published description match, and MITRE has not catalogued this group. Technique and defensive action data will appear automatically if a verified mapping lands.

Claims posted under this group's name or leak-site brand
146 on this site
View all on Breaches →
Leak-site claim activity

Claims per month, 2026-08 to 2026-10. Peak 84 in 2026-09.

2026-082026-10
Show monthly counts as a table
MonthClaims
2026-0839
2026-0984
2026-1016

7 additional claims without a disclosure date

Ransomware claim data is unverified: RansomLook (CC BY 4.0) and ransomware.live (Terms of use: credit and link required).

Glossary