After the hack earlier today Apple released   a Java security patch to end users.  The update is available  in the Software Update pane under the Mac App Store application or you can update the patch directly from Apple’s website.”Java for OS X 2013-001 delivers improved security, reliability, and compatibility by updating Java SE 6 to 1.6.0_41.On systems that have not already installed Java for OS X 2012-006, this update disables the Java SE 6 applet plug-in. To use applets on a web page, click on the region labeled “Missing plug-in” to download the latest version of the Java applet plug-in from Oracle.Please quit any web browsers and Java applications before installing this update.”