| I'm not entirely sure, but I have the feeling that lots of developers outside Apple are being sent regular updates to the OS. So 4Kwhatever builds are not internal to Apple only, but internal to developers who have payed money for their ADC membership and signed a non-disclosure agreement.
If that is the case, then all this means is that there are a few ADC members who are not respecting the non-disclosure agreement. Hardly surprising, really, and it's not like Apple would be about to shut down the whole ADC just because a few Carracho kids are installing unstable development builds at home...
Even if they are internal only to Apple, (and assuming the leaks are not intentional) it's hardly likely to be a network security problem. More likely a human security problem - a couple of Apple employees who get their kicks sneaking out the latest build in their backpacks, that sort of thing.
Mind you, it is quite possible that Apple tacitly approves of the leaks, since they keep the fans reading. Apple has a funny sort of relationship with the rumour sites.
On a barely related note, supposedly Microsoft pretty much encourages piracy of its software in China. The reason is that if they clamped down, people wouldn't start buying MS stuff, they'd mostly just switch to Linux.  |