Câu 14: 312-39V2: Certified SOC Analyst (CSA) v2

During routine monitoring, the SIEM detects an unusual spike in outbound data transfer from a critical database server. The typical outbound traffic for this server is around 5 MB/hour, but in the past 10 minutes, it has sent over 500 MB to an external IP address. No predefined signatures match this activity, but the SIEM raises an alert due to deviations from the server's normal behavior profile. Which detection method is responsible for this alert?

1. A. Rule-based detection
2. B. Signature-based detection
3. C. Heuristic-based detection
4. D. Anomaly-based detection — đáp án hiện tại