How have Web-threats changed in the first half of 2011? Search engine poisoning (SEP), particularly image searches, and more patient and elusive malvertising by cybercriminals are the most common threats.
This 2011 mid-year security report examines Web-based malware ecosystems, including the 10 largest malware delivery networks. These malware delivery networks are typically hosted across multiple sites and are responsible for launching dynamic attacks on unsuspecting users. The report examines the interactions of malware ecosystems, including user behavior, malware hosting sites and delivery networks and offers effective strategies to build better defenses.