Secure web gateways also rely on reputation to quickly identify sources of malware and block access to URLs that are known to contain malware.

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The Democratic National Committee is also taking on John McCain in a Web video calling into question his reputation as a campaign finance reformer and a maverick who stands outside the inner circles of political dealings in the nation's capital.

CNN: McCain, Obama ad wars heat up

Michael Fertik owns ReputationDefender, a start-up company that helps individuals and companies manage their online reputation--essentially a Web-centric crisis PR firm.

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