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Actively exploited Mac 0-day neutered core OS security defenses

source: https://arstechnica.com/gadgets/2021/04/actively-exploited-mac-0-day-neutered-core-os-security-defenses/

Excerpt:

When Apple released the latest version 11.3 for macOS on Monday, it didn’t just introduce support for new features and optimizations. More importantly, the company fixed a zero-day vulnerability that hackers were actively exploiting to install malware without triggering core Mac security mechanisms, some that were in place for more than a decade.

 

Together, the defenses provide a comprehensive set of protections designed to prevent users from inadvertently installing malware on their Macs. While one-click and even zero-click exploits rightfully get lots of attention, it’s far more common to see trojanized apps that disguise malware as a game, update, or other desirable piece of software.