It is claimed to be a necessary step to ensure a high level of security. Security Integrity Protection aims to protect users from malicious code infecting the operating system by preventing the modification or removal of certain system files even by administrative overrides. Top 6 Tips About Security and Privacy in Mac OS X El Capitan By locking down the main system Apple will scupper the attempts of any malware to gain access to files, folders, running processes and system apps. To put it in brief, you can’t modify these core files, neither can malware or hackers.
To summarize, SIP means that:
- Core system files cannot be re-written, even by root users.
- Injecting code into protected processes is no longer permitted by the system.
- Only signed kernel extensions can run – no exceptions.
For most Mac users who don’t customize anything or even use basic OS functions like tags in Finder, it is of course excellent to have a feature preventing malicious software. However, to those who want intense customization for their work environment, it is a little bit annoying.
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