User Story:

As a hosted cluster deployer, I want to be able to:

• specify network security groups

so that I can achieve

• Network flexibility to run my workloads

Acceptance Criteria:

• Able to specify network security group when creating Azure cluster
• Able to specify network security group when creating Azure infra

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• https://github.com/kubernetes-sigs/cluster-api-provider-azure/blob/44a4d9a25922d2086258228c7692cc326f0eea56/docs/book/src/topics/custom-vnet.md?plain=1#L23

This does not require a design proposal.
This does not require a feature gate.