As wireless networks prove their worth at work, companies are buying new products and services that help remove the worry of open access Six months ago, Al Fitzpatrick sat at his desk in a skyscraper in Atlanta's Buckhead district and wondered . . .
As wireless networks prove their worth at work, companies are buying new products and services that help remove the worry of open access Six months ago, Al Fitzpatrick sat at his desk in a skyscraper in Atlanta's Buckhead district and wondered what his wireless-enabled neighbors were up to. He had no evidence that anyone was trying to hack into the wireless networks at the Atlanta headquarters of S1 (SONE ), a financial-services software company where Fitzpatrick is chief security officer. With $250 million in annual revenues and thousands of institutional customers using S1 software to manipulate highly sensitive financial data, Fitzpatrick had reason to be cautious.

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