Conventional wisdom in years past was that hackers didn't bother to exploit Apple's OS X operating system because its relatively insignificant market share didn't warrant wasting resources to attack it. The reasoning was, why bother with OS X when Windows was pushing over 90 percent of the worldwide OS market? However, in recent years, Apple has seen an uptick and now pretty much dominates, when it comes to notebooks priced over $1,000.

The higher sales profile for Macs running OS X also means more attention from hackers and malware.

In fact, a new report shows that both of Apple's major operating systems sat atop the leaderboard when it came to the number of security vulnerabilities during 2014...