Posts

Showing posts from March, 2017

What is USSD? And How Secure USSD is?

Image
While world is worried about cyber securities for various online transaction specially banking, how secure banking based on USSD is and what's vulnerabilities in USSD based communications are? Usually known as Quick code or featured code, USSD stands for Unstructured suplimentry service data are the special too and fro messages bases on mobile service provider server and user device/mobile phone as clients. USSD is protocol used by GSM mobile service to communicate mobile with service providers computer based on predefined set of codes and message length is upto 182 character. Just like SMS it can be used to exchange data but speciality of USSD lies in creating session which allows user to communicate for a period of time until connection remains open. How USSD is used? USSD is basically pull based and push based services. Mobile initiated USSD code Many Service provider allow user to dial USSD code to deliver their service information and credit information to the user based on