> For the complete documentation index, see [llms.txt](https://docs.vectra.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain.md).

# GCP Brain

- [Introduction and requirements](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain/introduction-and-requirements.md): Overview of the GCP Brain deployment and prerequisites, including required access, tooling, and Vectra-provided resources.
- [Preparation](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain/preparation.md): Pre-deployment checklist for GCP Brain install, including connectivity, SSH keys, sizing, and required service accounts and roles.
- [Firewall requirements](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain/firewall-requirements.md): Network connectivity requirements (ports, protocols, and FQDNs) for Vectra appliances and Vectra cloud services.
- [Deployment](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain/deployment.md): Deploy the GCP Brain VM using the Vectra template and \`gcloud infra-manager\`, then connect and complete provisioning.
- [Post deployment configuration](https://docs.vectra.ai/deployment/ndr-virtual-cloud-appliances/gcp-brain/post-deployment-configuration.md): Post-deploy steps for the GCP Brain, including HostID integration setup and GCP Sensor pairing guidance.


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