Like security, good privacy design requires not just a solid technical foundation, but considerations for human UX. 1.2 On top of the screen, open Utility->Terminal and type csrutil disable (Disclaimer: This is part of the system security, so turn it back on in step 4. 1.1 Reboot your mac and hold Command+R on startup.
Easy to verify at a glance for anyone, not just the owner, easy to remember. Step 1: Disable The System Integrity Check so that you can access the relevant system database. Given how cheap microphones are and that if someone is using the system with the lid closed they're already committing to a certain amount of much more expensive external hardware, I think it's quite reasonable to stick a straightforward visual heuristic that "if the system is closed and thus the camera cannot see the microphone cannot work either".
And for both software or even a physical hardware switch there would be room for someone to accidentally or maliciously leave it on, and it would be very hard to notice. Launch Parallels Desktop but do not start the Windows Virtual Machine Open its configuration. Anything in software, even if it requires a special boot to access, leaves some room for bugs. Check if the Microphone is working properly on macOS side. Anything that allows getting around that in turn is a potential bypass. A cheap USB mic attached to the external screen, or for that matter some screens (including fairly high end ones like that LG 5k display Apple was featuring for a while) have built-in mics themselves these days.īut this is one case where there really is a pretty fundamental trade off if the goal is a really simple core "when the lid is shut I'm guaranteed audio privacy from that vector".
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