"The rise in popularity of Voice over Internet Protocol (VoIP) is being cited by security experts as the reason why vishing is becoming a problem. VoIP has made calling long distance cheap, which means that vishing crosses borders; making it hard to trace and or prosecute.
"The BBC article also states that it is relatively easy to spoof "caller-id" with VoIP. Security Focus recently did an article that supports this contention. In the article, a hacker easily showed the reporter how it was done.
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- The New Way to Lose Your Identity