Mark Nunnikhoven

Live online courses, books, and videos on O’Reilly


Mark Nunnikhoven helps organizations build securely in the cloud.

Opinionated, passionate, driven, Mark is more than a cliched byline. In his 20+ years tackling development and operational challenges around the world, Mark has seen all manner of "interesting" solutions.

An engaging public speaker, an O'Reilly video author, Mark is an accomplished computer scientist and security executive.

Mark is available online at and @marknca.