Update now: critical macOS security flaw patched in Big Sur 11.3 | #macos | #macsecurity


The latest update to Apple’s macOS operating system has arrived today – Big Sur 11.3 – and security experts are urging all users to install the update as it contains a critical fix.

The update patches a loophole discovered by security researcher Cedric Owens, which “allows an attacker to very easily craft a macOS payload that is not checked by Gatekeeper,” according to Owens. 



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