An Introduction to VoIP Security
  • maramyshkin1978maramyshkin1978 November 2018
    You might have heard of this word VoIP somewhere before and it may mean something about having the ability to call someone else over the internet. That's partly true with today's ever increasing usage of internet bandwidth, VoIP is slowly but surely creeping its high and into the corporate communication rather than the existing standard that is used, and that's the PABX. Unfortunately, there is a little hitch using this as it is called Integrated FreePBX Security.

    Unlike the PABX system, VoIP directly uses the internet to be able to function correctly and as a result of this internet use, VoIP needs all current computing devices which is also used in a normal company. This places the duty of protecting perhaps the VoIP from intrusions and denial and services information attacks into the hands from the network administrators.


    You didn't get that with PABX since the PABX only handled telephone calls, not internet traffic. But there's approach to at least protect your VoIP clients readily available types of attacks. The duty of protecting it really is further compounded by the fact that there isn't any single method to protect both VoIP servers and also the VoIP client computers using a single strategy. There are multiple ways of protecting both these assets from potential attackers and keeping them at bay.

    The reason for preventing attacks around the VoIP is the fact that just one malware that will get from the VoIP system may result in the entire network turning off, or perhaps in the situation of your Denial of Service attacks, no information reach you and you cannot send information to a new location.

    The simplest way to make VoIP security is by layering your software and hardware protection systems in each of the networks you have, separating each and every network into small compartments who have direct links only in specific channels and links can't be interconnected.

    This means that you need to strengthen the malware and hardware protection of your servers, virtually separate the computers that are useful for data from the machines attached to the VoIP phones then strengthen the malware and virus protection of such computers as well.

    By separating computers that handle data exclusively in the equipment that use the VoIP phones, any sort of attack which is sent via VoIP can be contained immediately. As there is no data in the network the location where the VoIP phone is connected, a probable intrusion is prevented.

    You may now ask so how exactly does the network realize that the info which is being transmitted through the VoIP phone is legitimate or otherwise not? Well, there can be authentication of the data packets that are delivered back and forth from your local server for the VoIP phones. Another highlight is that which you call virtual LAN network to isolate these sections using their company sections inside the same network.

    Overall, there are plenty of ways to apply VoIP peace of mind in your network that wont cost very much, it's just the method that you manage to implement virtual LAN networks, compartmentalization and segmentation of every of those networks so that any sort of intrusion attempt is not going to succeed, or at the very least, the layered way of VoIP protection slows it as a result of a crawl until it is stopped.

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