Question

Difficulty: MediumSecurity Logging, Audit Logs, and Security Command Center

An organization needs to configure real-time exporting of Google Cloud Security Command Center (SCC) Premium threat findings to an external SIEM solution operating on-premises. Arrange the steps in the correct operational sequence to implement this security log export architecture.

  1. 1Enable Security Command Center Premium at the organization level to generate threat detection findings.
  2. 2Create a Pub/Sub topic and subscription in a dedicated central logging project to serve as the ingestion buffer.
  3. 3Configure a continuous export rule in Security Command Center targeting the Pub/Sub topic for automated finding streaming.
  4. 4Deploy a pull subscriber or forwarder service to pull messages from Pub/Sub and stream them securely to the on-premises SIEM.

Answer

The correct operational sequence is: 1) Enable Security Command Center Premium at the organization level. 2) Create a Pub/Sub topic and subscription in a dedicated project. 3) Configure a continuous export rule in Security Command Center targeting the Pub/Sub topic. 4) Deploy a forwarder service to pull messages from Pub/Sub and stream them to the on-premises SIEM.
The sequence follows standard Cloud Architecture dependencies: first enable the finding source (SCC Premium), then establish the transport messaging buffer (Pub/Sub topic), configure the publishing source to stream to that buffer (SCC Continuous Export), and finally implement the consumer process that delivers findings to the external SIEM.

Step-by-Step Solution

1
Activate Security Command Center Premium.
Threat detection capabilities like Event Threat Detection begin generating organization-level finding events.
Findings cannot be exported until the underlying security detection tier is active and generating events.
2
Provision the destination Pub/Sub messaging pipeline.
A Pub/Sub topic and subscription are available to ingest streamed findings securely.
Export targets must exist before configuring export rules in GCP.
3
Establish the SCC Continuous Export feed.
SCC findings stream automatically into Pub/Sub in real time as they are generated.
Continuous export connects SCC event creation directly to the Pub/Sub endpoint.
4
Connect the on-premises SIEM via a Pub/Sub pull subscriber.
Findings are securely delivered from Google Cloud into the external SIEM pipeline.
An active subscriber service is required to consume messages queued in Pub/Sub and ingest them into external systems.

Key Concept

Security Command Center Continuous Export to Pub/Sub and External SIEM Integration
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