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Services Are Tapping People Power to Spot Malware. Companies are turning to the wisdom of crowds to fight increasingly sophisticated phishing, spam, and nefarious sites. Erik Larkin, PC World Wednesday, February 20, 2008 12:30 PM PST People-driven security, an approach that pools the judgments of individual participants to identify new threats, is gathering momentum, with uses popping up in everything from antimalware and spam blocking to site filtering. OpenDNS's Domain Tagging, introduced in February, is the latest example of this kind of strength in numbers. The free Web-filtering service allows subscribers to block sites in their choice of categories. But instead of one company deciding whether a site is malicious, pornographic, or otherwise unsavory, anyone who volunteers can help do the filtering. Illustrating
the trend's extent, Google
created a page last fall where anyone
can submit a site that they believe to be malicious. Once
Google verifies a submission, it adds the tainted site to a
shared blacklist. Other free and paid services for tracking
attacks, identifying malware, and blocking spam are also tapping
such people power.
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