Thursday, 29 April 2021

Update your Macs! Malware attacks can exploit critical flaws in Apple’s built-in defences

Apple has released a brand new update for its macOS Big Sur operating system, and you really should install it.

Amongst other fixes, Big Sur 11.3 patches a zero-day vulnerability that could allow an attacker to craft malicious payloads that will not be checked by Gatekeeper, the security check built into Apple’s operating system that is supposed to block the execution of software from untrusted sources.

Researcher Cedric Owens says that all recent versions of macOS prior to Big Sur 11.3 are vulnerable to an attack that could easily be launched against unsuspecting users.

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