Office E-Mail Jumps Security Walls

A growing number of Internet-literate workers are forwarding their office e-mail to free Web-accessible personal accounts offered by Google, Yahoo and other companies. Their employers, who envision corporate secrets leaking through the back door of otherwise well-protected computer networks, are not pleased. So far, no major corporate disasters caused by this kind of e-mail forwarding […]

A growing number of Internet-literate workers are forwarding their office e-mail to free Web-accessible personal accounts offered by Google, Yahoo and other companies. Their employers, who envision corporate secrets leaking through the back door of otherwise well-protected computer networks, are not pleased.

So far, no major corporate disasters caused by this kind of e-mail forwarding have come to light. But security experts say the risks are real. For example, the flimsier security defenses of Web mail systems could allow viruses or spyware to get through, and employees could unwittingly download them at the office and infect the corporate network.

Lawyers in particular wring their hands over employees using outside e-mail services. They encourage companies to keep messages for as long as necessary and then erase them to keep them out of the reach of legal foes. Companies have no control over the life span of e-mail messages in employees’ Web accounts.

“If employees are just forwarding to their Web e-mail, we have no way to know what they are doing on the other end,” said Joe Fantuzzi, chief executive of the information security firm Workshare. “They could do anything they want. They could be giving secrets to the K.G.B.”

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