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Improving OS X Security

Rich June 23, 2008 1 Comment

There’s been a bunch of news on the Mac security front in the past couple of weeks. From the Safari carpet bombing attack, to a couple trojans popping up. Over the weekend I submitted an email response to a press interview where I outlined my recommended improvements to OS X to keep Macs safer than Windows. On the technical side they included elements like completing implementation of library randomization (ASLR), adding more stack protection to applications, enhancing and extending sandboxing to most major OS X applications, running fewer processes as root/system, and more extensive use of DEP. I’m not bothering to lay this out in any more depth, because Dino Dai Zovi did a much better job of describing them over on his blog. Dino’s one of the top Mac security researchers out there, so I highly suggest you read his post if you’re interested in OS X security. There are a few additional things I’d like to see, outside of the OS level changes: A more-deeply staffed Apple Security Response Center, with public facing side to better communicate security issues and engage the research community. Apple absolutely sucks at working with researchers and communicating on security issues. Improvements here will go a way to increase confidence, manage security issues, and avoid many of the kinds of flareups we’ve seen in the past few years. Better policies on updating open source software included with OS X. In some cases, we’ve seen vulnerabilities in OS X due to included open source software, like Samba and Apache, that are unpatched for MONTHS after they are publicly known. These are fully exploitable on Macs and other Apple products until Apple issues an update. I realize this is a very tough issue, because Apple needs to run through extensive evaluation and testing before releasing updates, but they can mitigate this timeline by engaging deeply with those various open source teams to reduce the windows where users are exposed to the vulnerabilities. An Apple CSO- someone who is both the internal leader and external face of Apple security. They need an evangelist with credibility in the security world (no, I’m not trolling for a job; I don’t want to move to California, even for that). A secure development lifecycle for Apple products. The programmers there are amazing, but even great programmers need to follow secure coding practices that are enforced with tools and process. I have suspicions we might see some of these technical issues fixed in Snow Leopard, but the process issues are just as important for building and maintaining a sustainable, secure platform. Share:

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