Security for cloud infrastructure is no longer defined by a single control, product, or boundary. Modern threats target identity, software supply chains, control planes, networks, and data simultaneously. This blog post is the third part of a blog series called Azure IaaS which will share best practices and guidance to help you build a trusted infrastructure platform—from performance, resiliency, and security to scalability and cost efficiency . ​ Security for cloud infrastructure is no longer defined by a single control, product, or boundary. Modern threats target identity, software supply chains, control planes, networks, and data simultaneously. Addressing this reality requires two things to work together: a layered defense-in-depth architecture and security principles that are enforced consistently across the platform . In Azure Infrastructure as a Service (IaaS) , security is built around these two reinforcing ideas.…