CYBERSECURITYTRACKER
Incidents

Blackbyte-crux

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

ransomware11 leak-site claims, all timeLatest observed leak-site post 2026-06-07

Portable threat brief

Blackbyte-crux

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

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Executive facts

Actor
Blackbyte-crux
Kind
ransomware
Latest observed
2026-06-07
Leak-site claims
11
Catalogued techniques
0

Scope

Tracked sectors
Business & Professional Services, Pharmaceuticals & Life Sciences, Financial Services, Media & Entertainment, Nonprofit
Claim records
2025-07-18 to 2026-06-07

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 sectorsBusiness & Professional ServicesPharmaceuticals & Life SciencesFinancial ServicesMedia & EntertainmentNonprofit
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
11 on this site
View all on Breaches →
Leak-site claim activity

Claims per month, 2025-07 to 2026-06. Peak 9 in 2025-07.

2025-072026-06
Show monthly counts as a table
MonthClaims
2025-079
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-062

0 additional claims without a disclosure date

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

Glossary