Feedly:Securelist - Information about Viruses, Hackers and Spam. Kaspersky Security Bulletin 2015. Overall statistics for 2015

from Securelist - Information about Viruses, Hackers and Spam

In 2015, virus writers demonstrated a particular interest in exploits for Adobe Flash Player. The proportion of relatively simple programs used in mass attacks was growing. Attackers have mastered non-Windows platforms – Android and Linux: almost all types of malicious programs are created and used for these platforms.