Joanna Rutkowska also congratulated Brad Spender in her blog post on the subject, and she is sort of a god among security researchers (in my humble and under-informed opinion).
Posted Aug 20, 2010 1:15 UTC (Fri) by drag (subscriber, #31333)
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Yes Yes. Spender tends to back up his arguments with facts, which is a win in my book.
Linux was never really designed with security in mind. It's priorities lay in practical uses and performance. It's the conscious application of effort and improvements that improve the security of Linux and not comparisons to Windows. :)