<div>
no man i searched the above sites but cant find any good and explainatary material on them.there are papers from different companies but relate to their own scenario and services. is there any other site?
</div>


no man i searched the above sites but cant find any good and explainatary material on them.there are papers from different companies but relate to their own scenario and services. is there any other site?

<div>
<div class="content wysiwyg-content">
hi<br />
i want to learn the security issues related to PBX,telephone Exchange and telecomminications from beginning to advance level. is there any comprehensive material and sites avaible on internet. i cant find any , there is just introduction , is there any thesis releted to it , please tell me urgent as i want to explain things related to it to my boss.<br />
thanks in advance
</div>
</div>


hi
i want to learn the security issues related to PBX,telephone Exchange and telecomminications from beginning to advance level. is there any comprehensive material and sites avaible on internet. i cant find any , there is just introduction , is there any thesis releted to it , please tell me urgent as i want to explain things related to it to my boss.
thanks in advance

Research and Paper on PBX security, exchange security and telecommunication security?

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.