"NF: OpenBSD is considered one of the most
secure operating systems currently available. What approaches do
you take towards security?
"TdR: We've had 10 years of nearly fanatical
devotion to anything which can make OpenBSD more secure. A very
important part of that is that we have not been afraid to
completely overhaul anything even if it breaks backward
compatibility. Secondly, when we have found a flaw in any part of
the system we have assumed that the same mistake was made
elsewhere, and gone on a hunt to fix them all. Thirdly, we have
developed and incorporated a collection of methods that make
software flaws very difficult to attack..."