# Azure Brain

- [Introduction and requirements](/deployment/ndr-virtual-cloud-appliances/azure-brain/introduction-and-requirements.md): Prerequisites and high-level workflow for deploying an Azure Brain, including required permissions and Azure resources.
- [Firewall requirements](/deployment/ndr-virtual-cloud-appliances/azure-brain/firewall-requirements.md): Azure-specific connectivity guidance for Azure Brain deployments, including NSG rules, DNS, and NTP notes.
- [Deploying the Brain image](/deployment/ndr-virtual-cloud-appliances/azure-brain/deploying-the-brain-image.md): Deploy the Vectra Brain VM in Azure using the Azure CLI, including required inputs, sizing, and post-deploy access steps.
- [Azure HostID integration](/deployment/ndr-virtual-cloud-appliances/azure-brain/azure-hostid-integration.md): Enable the Azure HostID integration to enrich hosts using Azure Resource Manager metadata.
- [Pairing Sensors or Stream](/deployment/ndr-virtual-cloud-appliances/azure-brain/pairing-sensors-or-stream.md): Pair Sensors or Stream to an Azure Brain, with notes on Azure vSensor/Stream pairing limitations.