Social networking sites such as Facebook and MySpace are potential security risks to companies

Social networking sites such as Facebook and MySpace are potential security risks to companies, IT experts have warned. IT security and control firm Sophos warned that a large number of Facebook profile pages contain users' current employment details, which could be used by cybercriminals to commit corporate fraud, or to enter company networks. A survey conducted by Sophos found that 41% of Facebook users were prepared to divulge personal information to a complete stranger. And firms are beginning to cotton on to the dangers, as a separate poll of 600 workers found that 43% were denied access to Facebook by their company, while 7% said that usage was restricted to specific business requirements only. However, 50% of respondents said that their company did not block access to Facebook, with 8% in fearing an employee backlash. Graham Cluley, senior technology consultant at Sophos, said some firms believe Facebook to be a procrastinator's paradise, leading to careless use...

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