Why you shouldn't freak out about this week's scary-sounding Mac exploits Researchers document two OS X security flaws that shouldn't cause you to lose sleep, as severe as they sound. These cats aren't worried. Glenn Fleishman | @GlennF Senior Contributor, Macworld Aug 5, 2015 2:05 One set of researchers explains how a modification to your Macintosh’s boot-up firmware can persist undetectably and spread through peripherals to other computers. Another researcher’s work from a month ago is found in the wild, installing adware through a hidden escalation in user privileges. Both sound terrible, but neither is quite what it seems. De-escalate...