Dan Geer is one of a small number of pioneers in the security world that raised critical issues before others could see a risk emerge. He is most recently known to many as the chief architect for Verdasys, a data security software company that focuses on end point solutions. He published a 2003 paper arguing that Microsoft was a monoculture; he was fired the day the report was made public. In the following video, Dan Geer goes to a great extend comparing biology and information security science and draws some very intriguing and unique conclusions.

The full text of his speech can be found here. Very interesting if you are into these kind of stuff.