Securing Wireless Cellular Networks
Mobile Communications have become part and parcel of the people daily life. Besides using Mobile Phones for Voice communications they are now also being used for accessing Internet, sending SMS & MMS, multimedia purpose and much more. Therefore it is very important to provide a secure channel for users to facilitate communication. This paper will provide a brief introduction to generations of cellular networks, 3G Cellular network architecture, various security issues and threats associated with Cellular networks, security features of WAP (Wireless Application Protocol) and steps taken in 3G Cellular networks to combat the various security threats along with new security mechanisms proposed to counter attacks and threats from outside world.