Microservices: Simple servers, complex security

The benefits of microservices architecture -- smaller development teams, faster release cycles, fewer dependencies, less risk -- are becoming widely known, thanks to companies like Amazon, Google, and Netflix sharing their experiences. Less widely understood are the security challenges introduced by this new paradigm, but the engineers in the vanguard have wisdom to offer on this front as well.  
You need to keep in mind more than a few details before you rip the wrapping off the shiny new