Dial VoIP for vulnerability

Thursday, 15 September 2005, 3:41 PM EST

Phone service is abruptly cut off at a Wall Street brokerage after a hacker launches a full-scale denial-of-service attack, flooding the firm's voice servers with registration requests. An Internet worm makes its way from a retail giant's data network to its voice network, shutting down call centers and costing millions in lost revenue. An imposter enters the phone network of a top government agency and makes away with classified information by spoofing his caller ID.

By Susannah Patton at CIO.

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