On social-media outlets like Twitter and Facebook, cyber criminals and pranksters are confusing consumers by creating fake profiles in companies' names. They're also reposting blog entries that companies put up on social-media sites and replacing the links they contain with ones to sites where they hope to scam users, sell them something or promote a venture of their own. At the same time, discussion boards and other user-generated forums on company Web sites are being infiltrated with posts linking to malicious content. Now, many businesses are fighting back by using new technology designed to detect and deter such tactics.
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