November 9, 2009, 9:31AM

Upping its output of spam by nearly 5 percent in recent weeks, a new botnet called Festi has grabbed the attention of researchers, cracking the list of top 10 most prolific spamming botnets. The botnet has apparently pumped up the volume of spam by recruiting more bots, about 60 percent of which are in Asia, 18 percent in Europe, and 9 percent in North America. Read the full article. [Dark Reading]