The new XProtect feature is updated regularly and it runs at least once per day, but sometimes even more frequently. Xproduct Remediator is available on Macs running macOS Monterey, macOS Big Sur, and macOS Catalina, but it is not available on Macs running older versions of macOS.

Apple's new solution is more aggressive and offers more protection. XProtect Remediator more frequently looks for malware and fixes it if malware is detected.Īpple previously used the Malware Removal Tool (MRT) and XProtect, but XProtect was limited to checking apps and code against a list of known malware and MRT ran infrequently. Specifically, at around the time that macOS 12.3 Monterey was launched, Apple quietly introduced a new XProtect Remediator tool for its XProtect service that checks for malware in the background. Malware detection on the Mac is now 'fully pre-emptive' and as active as 'many commercial anti-malware products.' 'In the last six months, macOS malware protection has changed more than it did over the previous seven years,' writes Oakley in a blog post published this week. Apple has made notable updates to macOS malware tools over the course of the last six months, according to updates tracked by Howard Oakley at Eclectic Lighting Company (via Ars Technica).

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