"Security is the big concern for most enterprises developing handheld wireless strategies," said Alex Slawsby, an analyst who covers "smart" handheld devices for IDC. The best way to secure such access would be to use virtual private network technology, which sets . . .
"Security is the big concern for most enterprises developing handheld wireless strategies," said Alex Slawsby, an analyst who covers "smart" handheld devices for IDC. The best way to secure such access would be to use virtual private network technology, which sets up an encrypted tunnel between two computers on a network, Slawsby said. But there are not many VPN products available for the handheld environment, due in large part to the particular difficulties posed by the platform.

"A VPN relies on a client application that has to work together with the server to calculate the encryption keys and create the handshake," Slawsby said. "It?s much easier to do it on a desktop PC than on a handheld device that has much less processing power and battery power."

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