Report: AT&T flaw exposed customer data

Small businesses have financial details exposed

A flaw on AT&T's Web site has exposed billing and account information for thousands of small businesses to other customers, according to a report by

AT&T disabled part of its Web site Tuesday afternoon to protect customer data. Some 120,000 companies use AT&T's Small Business Center Web site to track their telecommunications bills, according to company spokesman Paul La Plante.

Only existing customers who were logged into the system would have been able to exploit the flaw and view the records. However, a mischievous account holder could have viewed six months' worth of billing records for the small businesses, including details from individual phone calls, according to the report.

Have your say instantly, and see what others have said. Click on the TalkBack button and go to the ZDNet News forum.

Let the editors know what you think in the Mailroom. And read what others have said.