Talk from SyScan 2015 about Apple Security failing to patch vulnerabilities over and over again, because they have apparently no QA at all on security patches.
more here.....http://www.slideshare.net/i0n1c/syscan-2015-esserios678securityastudyinfail
more here.....http://www.slideshare.net/i0n1c/syscan-2015-esserios678securityastudyinfail