Increased Cross-Platform Attacks
It is widely known that Macs have increasingly been targeted by cybercriminals, given that platform's expanded presence in the business environment. But, 2013 is likely to be the year that malware authors focus on developing attacks that can target both Windows and Mac systems simultaneously, as well as most mobile devices. Such attacks would likely focus on vulnerable technologies that are used across the board, such as Java and Flash. This trend began to emerge in 2012 and is likely to pick up steam as time goes on.