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How to update macOS on your Macįollow these steps to check for new Apple software updates on your Mac:ġ.

We’ll also show you how to use MacKeeper to update all your apps with a single click. In this guide, we’ll show you how to update macOS automatically. Updates to macOS - the operating system on your Mac - might add new features to your computer, improve the power efficiency, or fix problematic software bugs.īut alongside the operating system, it’s also important to update the apps on your Mac to ensure everything is working as it should be. There are inherent vulnerabilities in the system that sometimes allows malicious code to get its way onto the Mac computer, but the use of a valid Apple developer certificate seems to be the easy way for many hackers, and one that Apple has yet to turn its eyes to.It’s important to regularly check for and install software updates on your Mac. The OS X Gatekeeper security protocol is not at all free from flaws. But if an attacker is able to possess an Apple developer certificate, that’s the time when your Mac computer could be at risk of being infected with malware because it will download and install a rather malicious app, believing it is legitimate and can be trusted. As in the case with the present rogue installer, the previous OSX/InstallCore was also signed with a Developer ID certificate, which made the update look legitimate to Mac Gatekeeper.Īs a sort of security measure imposed by Apple on all Mac users, applications that do not come from its official app store will be blocked from the OS X ecosystem in order to help malicious code from spreading in the computer. There was an earlier version of the OSX/InstallCore that Intego also spotted in the wild, which led to the spread of a scareware after Mac users fell for the same deceptive tactic exploiting a fake Adobe Flash update. These include the MacKeeper, ZipCloud and MegaBackup, third-party applications that otherwise would not be allowed by Apple to get their way into the OS X ecosystem had there not been a legitimate Developer ID certificate. Following installation of the update, Mac users began to see a proliferation of unwanted programs in their computers such as those detected by Intego researchers. The presence of the Developer ID certificate was the main reason the Mac OS X Gatekeeper was made to trust in the otherwise rogue installer.