Published at LXer:
So vishing is not very exotic from a technical perspective, because it's just another form of social engineering, and it's been going on as long as there have been telephones. But VoIP offers some powerful tools to make vishing a more attractive endeavor over VoIP than the old-fashioned PSTN. It's a lot easier to hide your back trail over the data networks (thanks to the the World Wide Botnet), it's easy to spoof Caller ID: Automated calling tools are cheap and easy, and it's dirt cheap to call anywhere.
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