Commtouch’s quarterly Internet Threats Trend Report covers Web threats, phishing, malware, and spam. The first quarter of 2013 saw significant growth in unwanted and dangerous emails with a significant spike in levels occurring in March. The spike affected spam and phishing as well as malware emails. Pump and dump spam made a massive comeback. Spammers and particularly malware senders increasingly exploited current news events in their campaigns. In Web security, the first quarter of 2013 saw extensive use made of the Blackhole exploit kit.