Multi-Platform Java Exploit Targets Macs, Linux, Windows | ICT Security-Sécurité PC et Internet | Scoop.it
If allowed to run, a malicious Java applet checks the user's operating system and delivers a payload customized for that platform, whether it's Windows, Mac OS X, or Linux.

 

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http://www.securityweek.com/multi-platform-java-exploit-targets-macs-linux-windows