Cisco CCNP Certification Training Tutorial

The Cisco CCNP certification is changing at the end of 2006, with the BSCI and BCMSN exams being updated and the BCRAN and CIT exams being dropped. One of the two new exams is the 642-845 Optimizing Converged Cisco Networks (ONT) test, and the name of the exam doesn’t give many hints as to the […]

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Securing VoIP Calls

I read today in PC World about a VoIP consultant who hacked through SIP conversations to prove how easy it is to access information on an unsecured VoIP network. “An expert has released a proof-of-concept program to show how easy it would be for criminals to eavesdrop on the VoIP-based phone calls of any company […]

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VoIP-Specific Attack Risks

One of the most attractive aspects of IP telephony is the ease with which we can communicate with people anywhere in the world at dramatically reduced costs (even zero cost in many cases). . The same technologies that afford us these benefits also can be employed for far less savory purposes. These include identity theft, […]

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