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Posted on Feb 22, 2021

Apple details major security, privacy enhancements in its devices
Security and privacy are a big selling point for Apple. The company has released on Thursday a newer version of its Platform Security Guide, outlining the security and privacy innovations and improvements its users will be able to take advantage of.
Zeljka Zorz©, Managing Editor, Help Net Security
February 19, 2021
Before delving deeper into the new and improved feature, it has to be mentioned that, in late 2020, Apple unveiled the first lineup of computers with M1, a new, in-house built chip that is meant to power all of its computers in the future.

The M1 chip is supposed to speed up Macs and improve their performance, but according to the updated Platform Security Guide, there are new security protections built deep into M1’s code execution architecture.
A Mac with Apple silicon has several boot modes: macOS, recoveryOS, fallback recoveryOS, and safe mode.

Its boot process is similar to iPhone’s and iPad’s, and verifies the OS code, the security policies, and kexts (kernel extensions), the deprecation of which started with macOS Catalina, and support for which will soon be removed altogether.

For Macs with Apple silicon, the control of the LocalPolicy file, which describes the configuration that the user has chosen for the system boot and runtime security policies, has been transferred to an application running in the Secure Enclave...
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