Apple has released a security bulletin indicating they have updated the web plug-in blocking mechanism to disable versions of Java older than Java 6 update 41 and Java 7 update 15. Review the links below on how you might be affected.

[1] http://support.apple.com/kb/HT5677
[2] http://support.apple.com/kb/HT5660

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu