Mirai: The Internet of Things Malware responsible for launching DDoS attacks of historical proportions became even more severe when its source code was leaked in October. Since its initial use on the website of Security researcher Brian Krebs and Dyn DNS, variants of the malware have been suspected in DDoS attacks against both nation states including Liberia and enterprises such as Twitter, Spotify, Netflix, GitHub, Amazon and Reddit.
Cerber: Cerber is the ransomware gift that keeps on giving as its nice enough to talk to its victims after infecting them. The latest version (5.0.1) relies on redirects via Google and the use of a Tor2Web proxy service to disguise its activity and block attempts to shutter servers hosting the malicious content. The ransomware also comes complete with database encryption used to target enterprises.
Locky: Locky ransomware has been spotted using Facebook spam and fake ISP complaints to deliver malware and its authors have even been spotted posing as Office of Personnel Management (OPM) employees to con their victims into opening their phishing email and its malware-laden attachment. The ransomware has so far spread to at least 114 countries and has used massive campaigns to infect victims.