Worried companies block Facebook
Top concerns are employees wasting time and sharing too much information
August 21, 2007 12:00 PM ETTechWorld.com -
The security backlash against Facebook has taken a new twist with a survey finding that large numbers of employees are now being blocked from accessing it.
The statistic comes out of a new global poll of 600 workers carried out by security company Sophos PLC, which found that 43% of them were unable to access the site, while another 7% could access it only with restrictions.
Extraordinarily, of the half who could access the social networking site, 8% stated that the access was allowed because companies feared an employee backlash if it was stopped.
The main concern appears to be that employees will waste time on Facebook, the latest in a long line of social networking sites to garner a mainstream following. However, in a separate poll carried out by Sophos, two-thirds of respondents said that they were concerned about co-workers sharing too much information on the site, fearing this might lead to targeted phishing attacks against employers.
"More businesses are restricting access to these kinds of sites. Employees may not like it, but these Web sites can represent a security risk if used carelessly. Unless there's a work purpose, many firms do not see any reason why staff should need to access them during work time," said Graham Cluley at Sophos.
Companies known to have blocked the site reportedly included Lloyds TSB, Credit Suisse and Goldman Sachs &Co. Sophos, for one, has made targeted blocking of instant messaging, gaming, social networking Web sites, P2P and nonallowed VoIP clients, one of the main features of its client security software.
"Companies need to make their own mind up as to whether they want to allow their users to access Web sites like Facebook and MySpace during office hours," said Cluley.
In recent weeks, the information theft peril presented by Facebook has started to receive publicity, with Sophos leading the campaign. Facebook also has its own problems with security.
Sophos has published a security-cum-marketing guide to Facebook on its Web site.
Reprinted with permission from
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