Despite spending "too much" on Internet security measures, most business owners feel increasingly vulnerable to hacking and outside attacks, according to Ed Amoroso, AT&T Inc.'s chief information security officer.

Business owners need to change their approach to Internet and computer system security, Amoroso said. Traditionally, businesses, like consumers who use computers at home, have relied on software to combat everything from spam to hacking, but an overdependence on software actually is a big part of the problem, he added.

At RedOrbit.

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