Employers are being forced to crack down on staff accessing social networking Web site Facebook at work because of the high levels of usage, security risks and the drain on corporate network bandwidth.Two-thirds of silicon.com’s 12-strong CIO Jury IT user panel said they have banned or restricted employee access to Facebook and similar Web sites in the workplace.Paul Broome, CTO at 192.com, said Facebook has been banned completely after it was discovered the add-on applications used by those on Facebook were taking 40 per cent of the company’s available Internet connection.
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