BlackByte Attacks
Web-shell accesses leading to encryption of business networks
BlackByte Attacks — Web-shell accesses leading to encryption of business networks Relates to CVE-2021-26084. (Source: CISA AA22-105A)
Definition
Web-shell accesses leading to encryption of business networks
Why It Matters / Impact
Web-shell accesses leading to encryption of business networks
Current Status
- Review status: published
- Last updated: 2026-08-26
- Evidence: 2 source(s) · 1 CVE(s) linked
- Confidence: 85%
Timeline
- 2021-07 — First observed
- 2022-03 — Advisory published
Sources
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- Sources — NVD, CISA KEV, MITRE ATT&CK, vendor advisories.
- Notes — your own observations and working hypotheses.
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