This link has been bookmarked by 29 people . It was first bookmarked on 26 Apr 2007, by Wisely.
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28 Sep 09
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As VoIP becomes ever more popular, the security of these systems becomes more of a concern. VoIP can be vulnerable to a number of attacks due to the nature of VoIP calls. In short, VoIP traffic flows across the Internet in unencrypted packets, which means anyone that has access to the network between sender and recipient can intercept these packets — essentially allowing them to create a recording of your conversation. How can you help secure yourself against these types of attacks?
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Transport Layer Security and IP Security — Transport Layer Security (TLS) and IP Security (IPSec) are some of the most common ways businesses encrypt their VoIP calls and they could work for your business as well. TLS and IPSec differ in which level they encrypt data. TLS encrypts information, like a VoIP call, that is traveling between two applications while IPSec encrypts data for two devices and all the applications running on them.
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ecure Real-Time Transfer Protocol — SRTP is ideal for protecting Voice over IP traffic because it has a minimal effect on the quality of the calls it encrypts. For each call you make, a unique encryption key is created, which makes eavesdropping almost impossible. That alone makes it a good choice for day-to-day calls as well as private ones. Some companies, such as Ingate Systems, have already incorporated this technology into their programs. SRTP could be a simpler way to incorporate additional security into your VoIP network.
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No matter what you choose, the reality is that with the increased usage of VoIP, there will be increased predation on users. Therefore, security is now less of a luxury and more of a necessary component of your VoIP network. Even if your calls usually just include chit chat about the latest reality TV show or what you’re having for dinner, you deserve to be protected from intrusions on your privacy. Look into security for your VoIP before it ever becomes an issue. You’ll be glad you did.
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27 Jan 09
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