If you secure Azure workloads, you have hit this question more than once: should this storage account, SQL database or Key Vault be reached over a Service Endpoint or a Private Endpoint? The two sound similar, they both “make traffic private”, and the Azure portal happily offers both. But they work in very different ways, and picking the wrong one costs you either money or a security gap.
In this blog post I explain Service Endpoints vs Private Endpoints in plain language. I show what each one really does, where VNet Integration fits (people mix it up with private endpoints all the time), and then I add the part most comparison posts skip: how this connects to NSGs, Azure Firewall and a WAF — and when I reach for each. At the end there is a decision tree I actually use. I tried to keep it simple, with a diagram for every concept.
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