According to the Websense State of Internet Security report covering the first half of 2008, compromised URLs continue to advance as the most popular means of online malware delivery.
During the first six months of 2008, over 75% of the sites Websense observed distributing malware were legitimate URLs that had been somehow subverted by attackers, a 50 percent increase over the last six months of 2007. Websense contends that a whopping 60 percent of the Web's most popular sites were either subverted or indirectly involved with some form of malicious activity over the past six months.
It does appear that the use of malware tool kits to launch online attacks has slowed, with Websense reporting that some 12 percent of the sites it saw infected with malicious code were created using Web malware exploitation kits, a decrease of 33 percent since December 2007. Websense researchers said the decrease may be related to attackers launching more customized threats to avoid traditional signature-based detection techniques.
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