The threat of infection on the Internet has been increasing steadily in recent years. Attacks launched over the Internet are both the most numerous type of threat, as well as the most dangerous. Cybercriminals use every possible channel in order to lure users to their malicious resources: email, instant messaging, social networks, search engines, advertising malicious links can be found anywhere and everywhere. The most complex threats of late include ZeuS, Sinowal, and TDSS, all of which spread via the Internet.”]
Source: https://securelist.com/the-perils-of-the-internet/36318/