On non-jailbroken iOS you can't mark a section of memory as executable once it h... | Hacker News

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		darren_ on March 3, 2011 \| parent \| context \| favorite \| on: The mother of all Android malware has arrived On non-jailbroken iOS you can't mark a section of memory as executable once it has been writable (and vice-versa, apparently). Executable pages are also checked against a signature by the kernel before they're used.

blibble on March 3, 2011 [–]

that's pretty incredible, I'm genuinely surprised.

I suppose it's possible when you start from scratch, there's no way they could do that on the Mac.

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