Web 2.0 technologies, such as Facebook, MySpace and Twitter, are a major security concern for businesses, according to research by Deloitte.

A survey of 200 technology, media and telecommunications firms shows 83% view the exploitation of vulnerabilities in Web 2.0 as a significant threat .

“In some cases, employees unintentionally release sensitive information without realising the consequences,” said James Alexander, partner in Deloitte’s Security and Privacy Team.

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Many enterprises are lacking key tools for protecting Web 2.0 data, study says

Enterprises are allowing increasingly wider use of Web 2.0 technologies in the workplace for both business and personal use, but many are not ready to secure those applications, according to a study released Wednesday.

According to “Web 2.0 At Work,” a study conducted by research firm Dynamic Markets and commissioned by Web security vendor Websense, some 95 percent of companies currently let their employees access some Web 2.0 applications — including Webmail, mashups, and wikis — and 62 percent of IT managers believe that Web 2.0 is necessary to their businesses. IT executives are feeling pressure from all levels of the organization to expand support for Web 2.0 technologies across the enterprise, the study says.

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Next-gen collaborative sites now account for 21 percent of all Web hacks, report says

Web 2.0 sites are now the premier target for hackers, amounting to 21 percent of all reported hacking incidents, according to a report issued yesterday.

The study by the Secure Enterprise 2.0 Forum, an organization devoted to the secure use of social media at work, says that Web 2.0 sites are now attacked more frequently than sites operated by the media (18 percent) and retail businesses (13 percent).

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