VoIP toll fraud attack racks up a £57K bill in two days

A recent report from the Australian press relates the story of a Perth company where hackers made 11,000 calls via the company’s VoIP  running up a bill of  AU$ 120,000 (£57,000) . This figure ranks this incident among the most expensive of documented toll-fraud attacks. Do events like this throw the viability of this technology into doubt, or this the wakeup call that is needed to force a more serious view of VoIP security? To misuse a VoIP...