Networking security strategy

- In my opinion, security is more reliable … when it's simpler. … If you create a complex network of systems … across the globe, … and have your security controls scattered … all over the place, … there is a greater chance of a mistake happening … and something being misconfigured. … One of the best things you can do … is start off planning your security to be simple. … If you're going to use network security groups, … create a small set of standard network security groups … that apply to the common scenarios. … Reuse the same network security groups … instead of creating new ones for every network. … Use application security groups … as a way of simplifying your network security groups. … This makes them easier to read … and reduces the number that you need to create. … In fact, try to keep the number of networks you have, low, … an Azure subscription with 200 virtual networks … and 800 subnets is harder to secure … than an Azure subscription with only two virtual networks … and three subnets. …