In the first half of the year, the spam volume increased by 60% compared to the data last 1H 2013. We can attribute these to several factors:  the prevalence of DOWNAD and the steady boom of malware-related emails with spam-sending capabilities (such as MYTOB). Prevalent threats like UPATRE and ZeuS/ZBOT also employed spam as its […]
Post from: Trendlabs Security Intelligence Blog – by Trend Micro