The post What Is SIP? macOS System Integrity Protection Explained appeared first on BardTech . macOS changed significantly with the release of 10.11 El Capitan and the introduction of System Integrity Protection, or SIP for short. It’s a security measure that had some pretty big implications for the operating system back in 2015. These days, most of us have adapted to a post-SIP macOS. But you might still wonder what it is, what exactly it does, and why you’re best off leaving it alone. So let’s take a look at SIP, what purpose it serves, and why it came about in the first place. What Is System Integrity Protection? Put simply, System Integrity Protection is a security measure Apple introduced to protect certain parts of your macOS installation and core processes, and to vet third-party kernel extensions. It actively protects parts of your system from modification, and blocks installation of insecure extensions. While you have SIP enabled, certain areas are entirely off-limits ...