THREAT_ACTOR · G1043
BlackByte
Also known as: BlackByte, Hecamede
Profile
BlackByte is a ransomware threat actor operating since at least 2021. BlackByte is associated with several versions of ransomware also labeled BlackByte Ransomware. BlackByte ransomware operations initially used a common encryption key allowing for the development of a universal decryptor, but subsequent versions such as BlackByte 2.0 Ransomware use more robust encryption mechanisms. BlackByte is notable for operations targeting critical infrastructure entities among other targets across North America.
MITRE ATT&CK ↗Techniques
48 ATT&CK techniques attributed to this actor.
Software
8 malware/tools attributed to this actor.
Related corpus activity
10,302 indicators EXHIBIT techniques this actor uses. This is a shared-technique signal, not a first-party attribution to BlackByte.
| Indicator | Type | Family | Sev | Src |
|---|---|---|---|---|
| cve-2023-44976 | cve | ransomware | 85 | 2 |
| cve-2026-1969 | cve | — | 85 | 1 |
| cve-2025-68670 | cve | — | 85 | 2 |
| cve-2026-3102 | cve | — | 85 | 3 |
| cve-2025-2492 | cve | — | 85 | 2 |
| cve-2021-29441 | cve | — | 85 | 1 |
| cve-2026-22584 | cve | — | 85 | 2 |
| cve-2025-11837 | cve | — | 85 | 2 |
| cve-2025-34054 | cve | — | 85 | 4 |
| cve-2014-2321 | cve | — | 85 | 1 |
| cve-2020-17456 | cve | — | 85 | 1 |
| cve-2020-22658 | cve | — | 85 | 2 |
| cve-2017-18377 | cve | — | 85 | 1 |
| cve-2021-25646 | cve | — | 85 | 1 |
| cve-2025-66478 | cve | — | 85 | 2 |
| cve-2025-0921 | cve | — | 85 | 2 |
| cve-2021-27076 | cve | — | 85 | 1 |
| cve-2013-3307 | cve | — | 85 | 2 |
| cve-2016-5681 | cve | — | 85 | 2 |
| cve-2016-15047 | cve | — | 85 | 4 |
| cve-2024-1781 | cve | — | 85 | 1 |
| cve-2018-8007 | cve | — | 85 | 1 |
| cve-2025-23304 | cve | — | 85 | 2 |
| cve-2021-4045 | cve | — | 85 | 1 |
| cve-2020-22653 | cve | — | 85 | 2 |
| cve-2022-47945 | cve | — | 85 | 1 |
| cve-2025-34117 | cve | — | 85 | 1 |
| cve-2026-4368 | cve | ransomware | 85 | 1 |
| cve-2013-7471 | cve | — | 85 | 1 |
| cve-2026-0740 | cve | — | 85 | 1 |
Showing the top 30 by severity of 10,302.