![]() ![]() Upon download of an application, a particular extended file attribute ("quarantine flag") WILL be added to the downloaded file. Gatekeeper in macOS Catalina is more sophisticated and protective than that of High Sierra. One thing Apple never fails to improve in every update is the gatekeeper. Gatekeeper builds upon File Quarantine, which was introduced in Mac OS X Leopard and expanded in Mac OS X Snow Leopard. This security feature enforces code signing and app verification which reduces the chances of executing malware. The Gatekeeper is a technology designed by Apple to ensure only trusted software runs on your Mac. ![]()
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