Adversaries may use fallback or alternate communication channels if the primary channel is compromised or inaccessible in order to maintain reliable command and control and to avoid data transfer thresholds.

Linked Issues

Issuelinks
Linktyp Issue
is related to Techniques
is blocked by Network Intrusion Prevention
is blocked by Behavioral Detection of Fallback or Alternate C2 Channels
is blocked by Security, Compliance & Resilience Controls Oversight
is blocked by Secure Baseline Configurations
is blocked by Least Functionality
is blocked by Continuous Monitoring
is blocked by Malicious Code Protection (Anti-Malware)
is blocked by Boundary Protection
is blocked by Data Flow Enforcement – Access Control Lists (ACLs)
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