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A SOC needs to automate the 'containment' phase of incident response for critical endpoints. This involves isolating the affected endpoint from the network. The current endpoint security solution (ESX) has an API for network isolation, but it requires a dynamically generated authentication token for each request, which expires every 5 minutes. The XSIAM playbook must successfully acquire this token and use it for the isolation command. How should the XSIAM playbook be designed to handle this dynamic token authentication securely and reliably?
Correct Answer: B
For APIs requiring dynamic, short-lived tokens, the playbook must explicitly manage the token acquisition. Option B describes the correct pattern: the first step in the playbook calls the ESX authentication API to obtain the token, and the subsequent step(s) use this token (passed as an output from the first step) in the 'Authorization' header or body of the actual isolation API call. This ensures the token is fresh and valid for each execution. Hardcoding (A) is insecure and will fail. Manual input (C) is not automation. XSIAM does not automatically handle all external API token refreshes (D) unless specifically designed into a connector. Disabling authentication (E) is a severe security risk.