# Security

## Azure Security Center

* a monitoring service that provides visibility of security posture across all Azure Services both on Azure and on-premises

## Azure Sentinel

* [Azure Sentinel](https://azure.microsoft.com/services/azure-sentinel/) is Microsoft's cloud-based security information and event management (SIEM) system.&#x20;
* A SIEM system aggregates security data from many different sources (as long as those sources support an open-standard logging format). It also provides capabilities for threat detection and response. It uses intelligent security analytics and threat analysis.

## Azure Key Vault

* [Azure Key Vault](https://azure.microsoft.com/services/key-vault) is a centralized cloud service for storing an application's secrets in a single, central location. It provides secure access to sensitive information by providing access control and logging capabilities.



[Azure Dedicated Host](https://azure.microsoft.com/services/virtual-machines/dedicated-host/) provides dedicated physical servers to host your Azure VMs for Windows and Linux.\
A _dedicated host_ is mapped to a physical server in an Azure datacenter. A _host group_ is a collection of dedicated hosts.
