Continuously integrating security

Continuous deployment is a software engineering process where incremental software changes are automatically tested and frequently deployed to production environments. With continuous deployment, the elapsed time for a change made by a developer to reach a customer can now be measured in days or even hours. To understand the emerging practices surrounding continuous deployment, three annual one-day Continuous Deployment Summits have been held at Facebook, Netflix, and Google in 2015--2017, where 17 companies have described how they used continuous deployment. This short paper will describe the practices and environment used by these companies as they strive to develop secure and privacy-preserving products while making ultra-fast changes.