CYBERSECURITYTRACKER
Incidents

Chaos

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

ransomware99 leak-site claims, all timeLatest observed leak-site post 2026-11-03

Portable threat brief

Chaos

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

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Executive facts

Actor
Chaos
Kind
ransomware
Actor record created
2026-07-06
Latest observed
2026-11-03
Leak-site claims
99
Catalogued techniques
0

Scope

Tracked sectors
Manufacturing, Business & Professional Services, Transportation & Logistics, Construction & Engineering, Healthcare
Claim records
2025-03-31 to 2026-11-03

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 sectorsManufacturingBusiness & Professional ServicesTransportation & LogisticsConstruction & EngineeringHealthcare
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
99 on this site
View all on Breaches →
Leak-site claim activity

Claims per month, 2025-03 to 2026-11. Peak 16 in 2026-07.

2025-032026-11
Show monthly counts as a table
MonthClaims
2025-034
2025-042
2025-051
2025-063
2025-070
2025-081
2025-093
2025-107
2025-113
2025-127
2026-012
2026-023
2026-036
2026-045
2026-059
2026-066
2026-0716
2026-088
2026-099
2026-103
2026-111

0 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