securelist.com· Sep 24, 2026· by Sergey Puzan

MacSync under the microscope: new delivery methods and a new payload

We look at a new version of the MacSync macOS stealer with a backdoor module that targets crypto enthusiasts and developers.

🎯 Vulnerability: Web Security Vulnerability

💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.

#Malware descriptions#Malware Technologies#Apple MacOS#Malware Descriptions#Malware#Trojan#Backdoor#Cryptocurrencies