The biggest VoIP security threats - and how to stop them
Businesses of all sizes adopting IP telephony need to seriously consider its security implications. But while a number of threats exist, three stand out as the most dangerous, particularly to smaller organizations.

Phone Phreakers Steal Minutes
VoIP carriers are increasingly falling prey to "phreakers," who steal their minutes and resell them on a thriving black market.

VoIP threats to watch out for
As increasing numbers of users adopt VoIP, more hackers and criminals will be enticed to capitalise on the weaknesses in the technology. This primer looks at the major threats businesses of any size face when adopting VoIP.

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SPIT and vishing
- satyam tyagi

SPIT and vishing
- Martyn Davies

SPIT and vishing
- juanramon.cayon at unavarra.es

Caller ID hacks and trust boundarie...
- Johansson Olle E

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