Is Your Mac Secretly Mining Cryptocurrency? Here’s How to Find Out

- Hackers are targeting Macs to mine Monero and steal access to valuable data.
- A macOS flaw lets attackers gain root access without a password and install crypto miners.
- Find out how to spot cryptojacking on your Mac and protect it from similar attacks.
Apple Macs have long carried a reputation as the safer choice. But that reputation just took a hit.
On August 6, 2026, Apple patched a critical flaw in macOS Screen Sharing, its built-in remote-control feature. Days later, the Netherlands’ National Cyber Security Centre (NCSC) confirmed the bug, tracked as CVE-2026-65400, was already being used in the wild. Attackers on multiple internet-exposed Macs gained full root access and quietly installed Monero cryptominers.
The flaw itself is an authentication bypass. Screen Sharing normally runs on port 5900 and requires a username and password. Apple traced the issue to…
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