VOIP Security Articles

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.



Verizon Launches Voice Cypher Secure VoIP Mobile App… ...
, Dec 14

Verizon Wireless this week did something that initially seemed quite impressive – they launched “Voice Cyp...

7 Asterisk VoIP Security Advisories Issued
, Nov 21

The Digium / Asterisk Security Team has obviously been extremely busy ensuring that Asterisk is as secure as possible ...

Slides: Reboot the Open Realtime Revolution – #MoreCry...
, Oct 31

Olle Johansson is back with another set of excellent slides about VoIP security and the need to have “MoreCrypto...


Voipsec Digest, Vol 75, Issue 8
- Sjur Eivind Usken

Anyone know of a hosted service for...
- Justin Goldberg

Anyone know of a hosted service for...
- Dan York

Voipsec Digest, Vol 75, Issue 5
- Nicholas Grant

Thoughts on SIP Service Provider se...
- J. Oquendo

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