CYBERSECURITYTRACKER
Incidents

Walocker

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

ransomware22 leak-site claims, all timeLatest observed leak-site post 2025-12-30

Portable threat brief

Walocker

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

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Executive facts

Actor
Walocker
Kind
ransomware
Latest observed
2025-12-30
Leak-site claims
22
Catalogued techniques
0

Scope

Tracked sectors
Government, Energy & Utilities, Financial Services, Manufacturing, Agriculture
Claim records
2025-06-10 to 2025-12-30

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.

Ransomware claim data is unverified: RansomLook (CC BY 4.0).

Most-claimed sectorsGovernmentEnergy & UtilitiesFinancial ServicesManufacturingAgriculture
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
22 on this site
View all on Breaches →
Leak-site claim activity

Claims per month, 2025-06 to 2025-12. Peak 11 in 2025-08.

2025-062025-12
Show monthly counts as a table
MonthClaims
2025-061
2025-077
2025-0811
2025-090
2025-100
2025-110
2025-123

0 additional claims without a disclosure date

Ransomware claim data is unverified: RansomLook (CC BY 4.0).

Glossary