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Security

Backgrounder: The majority of consumer VoIP solutions do not support encryption. As a result, it is relatively easy to eavesdrop on VoIP calls and even change their content. There are several open source solutions like VoIPong or Vomit that facilitate sniffing of VoIP conversations. A modicum of security is afforded due to patented audio codecs that are not easily available for open source applications, however it has not proven effective in the long run in other fields.  more...

Examining Two Well-Known Attacks on VoIP

Apr 05, 2006

VoIP is here to stay. In fact many incumbent telecommunication carriers have started offering VoIP service for sometime and several new VoIP service providers have emerged. Aside from issues such as quality of service, the aspect of security, or lack thereof, is misunderstood by some of the VoIP service providers. This purpose of this article is to discuss two of the most well known attacks that can be carried out in current VoIP deployments. ›››

By Peter Thermos Posted 7:02 AM PDT / Comments: 0 / Views: 6819

Secure Voice over IP: Zfone Released

Mar 14, 2006

Philip Zimmermann, creator of PGP, has announced the first official release of Zfone -- a system for encrypting any SIP VoIP voice stream. Below is Philip's introduction on Zfone as posted on his ›››

By Voiponder Reporter Posted 10:28 PM PDT / Comments: 1 / Views: 1421

VoIP Security FUD

Feb 18, 2006

I'm continually amazed by the amount of FUD being spread with regard to VoIP security threats. People...the sky is not falling. VoIP isn't e-mail. It isn't implemented like e-mail, it won't be implemented like e-mail (maybe "it shouldn't be implemented like e-mail" is a more appropriate statement). Following best security practices will ensure at least a level of security equivalent to current TDM systems. Best FUD I've heard this week: VoIP is insecure because you can simply put a bridge on an ethernet line and capture a stream. Hey, has anyone ever heard of alligator clips? ›››

By Irwin Lazar Posted 2:19 PM PDT / Comments: 0 / Views: 1008

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