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What are the primary objectives during the runtime phase of Kubernetes security?

  1. Audit and log

  2. Detect and respond

  3. Deploy and scale

  4. Monitor and analyze

The correct answer is: Detect and respond

During the runtime phase of Kubernetes security, the primary objectives focus heavily on detecting any potential threats and responding to incidents that may occur in the cluster. This stage is crucial because the runtime environment is where applications execute and interact with each other and the underlying infrastructure. The emphasis on detection means that security solutions should actively monitor for unusual behavior, potential vulnerabilities, or unauthorized access attempts while the applications are live. This involves utilizing various tools and techniques, such as intrusion detection systems (IDS), runtime security monitoring, and continuous auditing mechanisms. Response capabilities are also vital during this phase. In the event of a detected security issue, organizations must have established procedures to respond quickly to mitigate risks, address vulnerabilities, or eliminate threats. This requires a prepared team and reliable processes for incident response, ensuring that actions can be taken to safeguard the systems. While the other choices involve important practices within a broader security framework, they do not encapsulate the immediate focus and urgency that the detect and respond objectives carry in the context of runtime security. For example, auditing and logging are more about recording events for later review, much like monitoring and analyzing data trends, whereas deploy and scale pertain to the operational aspects of Kubernetes rather than its security concerns during runtime.