It's my understanding that ASLR has been in OSX since 10.5, but its a poor (in comparison) implementation. Interestingly, the recently released iOS 4.3 has it.

It's my understanding that ASLR has been in OSX since 10.5, but its a poor (in comparison) implementation. Interestingly, the recently released iOS 4.3 has it. I really don't think that these security researchers as prioritizing based on winning a $1200 laptop. Given that this competition is time-based, I'd, again, say that they prioritize based on speed.