![]() ![]() What Are Kexts and Why Are They Problematic?įor those unfamiliar, kernel extensions or kexts are a kind of third-party, system-level plug-in that developers can use to provide functionality that is not typically available from “user space”. In this post, we explain why moving away from kernel extensions is an important development for macOS endpoint security products and describe some of the advantages that the new architecture brings. ![]() Although kernel extensions will continue to be allowed on macOS Big Sur and possibly later versions of the operating system, SentinelOne fully supports Apple’s move to a “kextless” architecture, and SentinelOne intends to support macOS Big Sur as early as possible after Apple’s public release, and once we ensure the product meets our high standards of protection, quality and performance. ![]() This year, with the forthcoming release of macOS Big Sur, Apple have continued the phasing out of kexts and further developed their alternative technologies. Last year, with the release of macOS Catalina, Apple introduced a new technology with the intention of replacing kernel extensions (aka “kexts”).
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