Schneier posts irony:

…the problem of agricultural safety and security mirrors the security issues in computer networks, especially with the monoculture in operating systems and network protocols.

Agriculture Security, Bruce Schneier, Schneier on Security, October 20, 2006

I say irony, because of course the concept of monoculture originated in ecology and agriculture, from which it was imported to computing, which Bruce knows as well as anyone else.