Domain Name System (DNS) Exfiltration: DNS exfiltration is a cyberattack method where attackers use the DNS protocol to stealthily move data from a compromised network to their own systems. Because DNS requests are common in network traffic and often allowed out of networks, attackers can covertly encode data within these requests, bypassing many security measures that do not scrutinize DNS traffic for such anomalies.
Categories: CC D5: Security Operations | CCSP D3: Cloud Platform and Infrastructure Security | CISM D3: Information Security Program | CISSP D4: Communication and Network Security | Security+ D2: Threats Vulnerabilities and Mitigations | SSCP D6: Network and Communication Security
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