UnclassifiedUnknown
Cypher404x
Cypher404x is a threat actor group, tracked by Brandefense. It uses 1 MITRE ATT&CK technique.
- Techniques
- 1
- Exploited CVEs
- No CVE data
- Record updated
How They Operate · MITRE ATT&CK.
1 techniques across 1 of 14 tacticsReconnaissance·
Resource Development·
Initial Access1
T1566
Phishing
Phishing
Execution·
Persistence·
Privilege Escalation·
Defense Evasion·
Credential Access·
Discovery·
Lateral Movement·
Collection·
Command and Control·
Exfiltration·
Impact·
Arsenal · Malware And Tools.
- Python scripttool
About Cypher404x.
Legacy threat actor field.
Last updated Jul 24, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.