3. Sophisticated Malware Infections Increasing
McAfee and other security firms said state-sponsored cyberespionage attacks using sophisticated malware have been on the rise. The company said the targeted attacks accelerated in the second half of 2012, according to its Fourth Quarter 2012 Threats Report. Malware authors are increasingly designing mechanisms to evade detection. Some threats can lay dormant within a network for months or even years, McAfee said.