© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021
V. VashurkinmacOS Daemonologyhttps://doi.org/10.1007/978-1-4842-7277-0_7

7. System Extensions (Since macOS 10.15)

Volodymyr Vashurkin1  
(1)
Dnipro, Ukraine
 

This chapter gives an overview of a new daemon type called system extensions (SEXTs) that have been available since macOS 10.15 Catalina.

You can see examples at Daemonology/4-SystemExtension.

System extensions extend the functionality of macOS without requiring kernel-level access. Therefore, SEXTs are positioned as modern, safe, and secure replacements for kernel extensions (KEXTs).

At the moment, system extensions are intended for the following:

  • Security solutions

  • Network extensions

  • DriverKit device drivers ...

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