Your Mac might have a screen sharing problem, and hackers already know about it
If you’ve been putting off that macOS update sitting in your notifications, this is the week to stop and install it. Apple quietly patched a serious screen sharing flaw in macOS earlier this month. While that usually means the issue is resolved, new evidence shows hackers already broke into unpatched Macs, hijacked them, and used […]
Mac users should prioritize installing Apple's latest macOS update, as hackers already exploited a screen sharing vulnerability in earlier versions. This flaw allowed unauthorized access to a victim's desktop, keyboard, and mouse without requiring valid login credentials. Once inside, attackers installed cryptocurrency miners to covertly harness the victim's processing power and electricity.
The National Cyber Security Center in the Netherlands reported real-world abuse of this bug on unpatched Macs with port 5900, which screen sharing uses, left open to the internet. To mitigate the risk, users should either update to the most recent macOS version or disable screen sharing for open network connections.
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