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Apple's New T2 Security Chip Will Prevent Hackers From Eavesdropping On Your Microphone (techcrunch.com)
An anonymous reader quotes a report from TechCrunch: Buried in Apple's latest range of MacBooks -- including the MacBook Pro out earlier this year and the just-announced MacBook Air -- is the new T2 security chip, which helps protect the device's encryption keys, storage, fingerprint data and secure boot features. Little was known about the chip until today. According to its newest published security guide, the chip comes with a hardware microphone disconnect feature that physically cuts the device's microphone from the rest of the hardware whenever the lid is closed. "This disconnect is implemented in hardware alone, and therefore prevents any software, even with root or kernel privileges in macOS, and even the software on the T2 chip, from engaging the microphone when the lid is closed," said the support guide. The camera isn't disconnected, however, because its "field of view is completely obstructed with the lid closed." Apple said the new feature adds a "never before seen" level of security for its Macs, without being quite so blunt as to say: Macs get malware too.
It 100% is that. Some future version of macOS will drop support for all Macs without these chips. Why else put one in the Mac mini? What purpose does that serve? Once they do that: no more Hackintoshes as you can guarantee that the kernel will be encrypted using a key that only these "security" chips can decrypt, and the decrypted kernel image will be locked away from all user code.