Apple issues security update for OS X El Capitan 10.11.6
Apple has released a supplemental security update for OS X El Capitan. Security Update 2016-003 can be found by heading to the Updates tab in the Mac App Store on a machine running OS X 10.11.6.
This update is meant to fix a kernel issue that could cause your Mac to become unresponsive. You'll be able to find more information on this update's security improvements once Apple updates is security support site.
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Joseph Keller is the former Editor in Chief of iMore. An Apple user for almost 20 years, he spends his time learning the ins and outs of iOS and macOS, always finding ways of getting the most out of his iPhone, iPad, Apple Watch, and Mac.