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A new command-and-control Trojan for OS X appears to be associated with the Syrian Electronic Army.
New XProtect definitions identify Yontoo as "OSX.AdPlugin.i" and block all but the latest versions of Java.
OS X does not provide a way to monitor XProtect updates, but you can set up a custom script to do so.
Apple has updated its Web plug-in blacklist to include all but the most recent versions of Java.
Apple's new plug-in manager in Safari allows for site-specific customization of plug-in behavior.
After over a year of no apparent activity, a new variant of the Tibet malware affecting OS X systems has been found.
A new variant of the Flashback malware has been found, though current malware definitions should detect it.
Apple has updated its XProtect malware scanner to contend with the second revision of the Flashback malware, though this update comes after a bit of a delay.
Readers ask about the OS X quarantine system, hot-corner triggers, and file locks in iWork.
The latest malware threat for OS X is a minor and obscure Trojan horse of which new versions have been found recently.