Azure Network Security Groups Protect Systems

Azure Network Security Groups (NSGs), which are built into Azure's software-defined networking layer, allow organizations to control the traffic to and from Azure virtual machines (VMs) within segments of a network and between the network and other Azure services. Optimal configuration and use of NSGs could help with compliance and risk management processes. Although the technology is free to implement and use, if implemented incorrectly it could lead to issues or system incompatibilities that are hard to diagnose.

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