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.

Yet many of the 1,300 IT pros who answered the survey don't have a grip on what constitutes Web 2.0, the study says. Only half of the respondents correctly identified wikis, video uploading sites such as YouTube, and hosted software sites such as Google Docs to be Web 2.0 applications. Only 17 percent of respondents correctly identified all of the items in the survey that might be considered Web 2.0.

More importantly, the study says most of the organizations said they do not have some of the key tools that may be required to secure the Web 2.0 applications they are supporting: