Michael Tsai on Twitter: "@rosyna Macworld and others have reported it’s to protect against malicious apps that made it through App Review: https://t.co/lJmnO8g0NE"

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Michael Tsai ‏@mjtsai Feb 12

Adobe Creative Cloud Installer Deleting Hidden Files: http://mjtsai.com/blog/2016/02/12/adobe-creative-cloud-installer-deleting-hidden-files/ … #mjtsaiblog
1 retweet 3 likes
Rosyna Keller ‏@rosyna Feb 13

@mjtsai That Wil Shipley update misunderstands sandboxes completely. They are not designed to prevent malware. They are to mitigate exploits
1 retweet 1 like
Michael Tsai ‏@mjtsai Feb 14

@rosyna A bug from a legit developer is not malware or an exploit. I think you’re misunderstanding what his point was.
1 like
Michael Tsai ‏@mjtsai Feb 14

@rosyna Why not? Isn’t that part of why the Mac App Store requires sandboxing, as a backstop against malware?
Rosyna Keller ‏@rosyna Feb 14

@mjtsai No, it's so the developers can define the resources they need up front. This prevents bugs/bad coding from accessing other resources
Michael Tsai ‏@mjtsai Feb 14

@rosyna I don’t remember that being presented as the main motivation. I don’t think anyone’s worried about apps accidentally printing.
Rosyna Keller ‏@rosyna Feb 14

@mjtsai That was the only motivation when sandboxing was added to OS X for system services, which was before the Mac App Store existed.
Michael Tsai ‏@mjtsai Feb 15

@rosyna I’m not sure how the original reason the technology was developed is relevant to the policy decision about using it now.
Rosyna Keller ‏@rosyna Feb 15

@mjtsai Because it's never been used to protect against malicious apps. As I said, those apps can always ask the user which files to destroy
1 like

‏@mjtsai

@rosyna Macworld and others have reported it’s to protect against malicious apps that made it through App Review:http://www.macworld.com/article/2937239/zero-day-exploit-lets-app-store-malware-steal-os-x-and-ios-passwords.html …

1:44 PM - 15 Feb 2016

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